Chapter Summaries

Carlret befriended the gifted human girl Lairak and taught her Sanskrit and magical theory, then watched her disappear for years. When Lairak returned as a teenager, she revealed that she had mastered determination, become the first true human mage of flesh and blood, and used her magic to help others.

• Lairak visited Carlret’s cabin, where he translated Introduction to Magic and taught her Sanskrit despite believing humans could not learn magic.
• Lairak repeatedly found ways into Carlret’s cabin, learned Sanskrit in about a month, and continued visiting him to read and discuss magical theory.
• After Lairak stopped coming, Carlret waited for her, and five years later she returned as a teenager and demonstrated a fireball.
• Lairak told Carlret that her tribe had been attacked after her father died, forcing her to flee and eventually settle near a village.
• Lairak studied determination for years, altered her soul through repeated experiments, and gained the ability to use magic.
• Lairak used her magic to save the village from a plague and later traveled widely, creating spells that humans could learn.

Over the years, Carlret and Lairak shared a close friendship through her visits, letters, and gifts while she traveled the world. After Lairak disappeared, Carlret finished his book, grieved her absence, and set off to climb Mount Ebott.

• Lairak left to travel the world and teach people magic, while Carlret stayed behind to write his book.
• For decades, Lairak sent Carlret letters and gifts, including lilacs from the Nine Provinces Continent, which he planted beside his cabin.
• Lairak returned after many years, recounted her travels, and promised to visit again, but she never came back.
• Carlret found the books Lairak had borrowed piled outside his door and continued writing as the lilacs spread around his home.
• Carlret completed his book, mourned Lairak's absence, left the book behind, and set out to climb Mount Ebott.

Linde and Frisk arrived in the past at Mount Ebott, where they encountered Carlret on the Ancient Battlefield. As they tried to find their way out, a hidden voice recognized them and planned to kill them.

• Linde and Frisk woke in a cavern, discovered their clothes had vanished during their journey, and used magic to make new ones.
• Linde used True Sight to confirm Chara had not traveled with them, and the children set off toward the exit near the Throne.
• Carlret mistook Linde and Frisk for evil spirits or demons and apologized after his fireball vanished.
• Frisk spoke with Carlret in Old English while Linde could not understand them, and Carlret wondered whether Linde had learned magic on his own.
• Linde sensed intense malice nearby, as a voice inside the Spatial Rift recognized the children as their younger selves and proposed killing them.

After Fried destroyed the Barrier, Linde was wounded by an assassin who called himself the Savior and claimed the Book of Prophecy had sent him into the past to erase Linde. The Savior raised his gun to shoot as Frisk confronted him.

• Frisk and Carlret discovered there was no way through behind the future Throne, so Fried used the Eight Trigram Furnace to blast open the seal.
• The blast cleared the clouds, and a distant tribe prayed to Mount Ebott, believing a divine one had answered them.
• Several presences escaped Mount Ebott, and Fried returned Linde’s soul to his body.
• Linde stumbled over an object and was pierced in the chest by a needle; he discovered he could no longer use magic.
• A man identified himself as the Savior and explained that the Book of Prophecy had brought him back in time to kill Linde.
• The Savior shoved Frisk aside and raised his gun to fire.

After the Book of Prophecy left Linde near death, it revealed that it had foreseen countless futures ending in annihilation and granted him the soul formula. Linde used a Life Soul Reaction Formula to stop his life force from draining, while Carlret recognized his extraordinary control over his soul.

• Carlret destroyed the assassin's gun, and Frisk attacked the man while Linde pulled the spike from his chest.
• Linde collapsed and met the consciousness of the Book of Prophecy, which explained that his appearance had thrown the future into chaos.
• The Book of Prophecy gave Linde the soul formula and warned that it would send people to kill him if he repeated key choices from the futures it had seen.
• The Book of Prophecy took the assassin away, and Frisk and Carlret watched over Linde as he woke and his life force continued to drain.
• Linde inscribed a Life Soul Reaction Formula onto his Soul Projection, stopping the drain, and Carlret realized Linde's soul control surpassed Lairak's.

Linde and Frisk traveled north with Carlret, learning to use Soul Formulas and surviving in the wilderness. After seven days on the road, they cooked a meal from the beasts that attacked them, while Linde remained unable to restore Carlret’s physical body.

• Linde realized that activating a Soul Formula required a soul and determination, then decided to teach Frisk Soul Formulas.
• Carlret invited Linde and Frisk to travel the world with him, and they agreed to head north toward the strait between the continents.
• Ralph and his companions set off south to find an old friend mentioned by their teacher.
• Frisk mastered a Soul Formula in one day, while Linde learned Carlret’s language and studied the nail that had sealed his magical power.
• After seven days of travel, several beasts surrounded the group, and Linde and Frisk cooked their meat for Carlret.
• Linde found that eating physical food had not made Carlret’s body more solid and concluded that he still had much to learn about giving monsters physical bodies.

Linde used the Fox Mask to restore his magic and make comfortable, durable clothes for himself and Frisk. As the group traveled toward Mount Ebott, they met three strangers and arrived at a village where Carlret recognized a memorial that Frisk suspected was Lairak’s.

• Linde put on the Fox Mask, regained access to magic, and used some of its stored power to conjure clothes for himself and Frisk.
• Linde used the Soul Fixation Reaction Formula to make both outfits last at least three years, then took off the mask to conserve its remaining power.
• Carlret encountered a tall young man, a blonde girl, and a human mage asking for directions to Mount Ebott, and told them to head south.
• Carlret said the journey would take about another month, and Linde pointed out a nearby village where they could spend the night.
• Frisk noticed Carlret react to a stone monument in the village and asked whether it was Lairak’s memorial.

After reaching the sea, Linde, Frisk, and Carlret were attacked by a giant Evil Spirit while crossing the Bailing Strait on a Flying Board. Their attempt to purify it failed, and after the board was destroyed, the Evil Spirit swallowed Linde.

• Linde and Frisk reached the seaside with Carlret and boarded his Flying Board to cross the Bailing Strait.
• A giant octopus emerged as an Evil Spirit, and Carlret attacked it with the Holy Light Spell.
• Linde and Frisk combined their Light Soul Reaction Formula, but the beam pierced the Evil Spirit without purifying it.
• The intelligent Evil Spirit struck and shattered the Flying Board, sending Linde and Frisk plummeting toward the sea.
• Linde threw Frisk toward Carlret, but the Evil Spirit leaped up and swallowed Linde.

Linde escaped the Evil Spirit by healing the giant octopus that had been corrupted, and the group traveled north on its back. Carlret recognized that the octopus’s retained reason meant it was a Demon.

• The Evil Spirit swallowed Linde, trapping him inside a sealed space where he could not use magic or open a Spatial Rift.
• The Evil Spirit spat Linde onto the seabed, where he used the Water Soul Reaction Formula to survive the pressure.
• Linde used the Life Soul Reaction Formula and Heart Soul Reaction Formula to suppress the octopus’s corruption and restore its original appearance.
• Frisk and Carlret saw Linde emerge atop the snow-white giant octopus, and Linde told them what had happened beneath the sea.
• Carlret explained that the octopus’s ability to retain its reason meant it was either incredibly powerful or a Demon, then identified it as a Demon.

Linde, Frisk, and Carlret crossed the strait to the eastern continent with help from a giant octopus, where Carlret reunited with Empty Armor and revealed he was a prince of the Tiara Kingdom. Meanwhile, Ralph and his companions found an empty house containing a book and a doll of Lairak, then spotted her beloved lilacs bearing fruit.

• Frisk and Linde agreed that the powerful Demon Clan creature helping them was likely trustworthy.
• Ralph and his companions reached the old friend's empty house and found the World Magic Compendium and a doll depicting Lairak as a little girl.
• The blonde girl spotted fruit growing where Lairak's lilacs had once bloomed.
• The giant octopus carried Linde, Frisk, and Carlret across the strait to the eastern continent, then returned to the sea after bidding them farewell.
• Carlret told Linde and Frisk that he was a prince of the Tiara Kingdom after Empty Armor addressed him as Prince Carlret.
• Carlret said that all Monsters of his kind belonged to the royal family and shared the Dream surname, leaving Frisk and Linde to wonder whether Toriel was related to Asgore.

Carlret, Frisk, and Linde entered a monster town to seek information, but discovered they could not understand its residents. Frisk found a lead about a human magic-user and a Magic Academy, while Linde stayed behind to sell food.

• Carlret refused to return home with Empty Armor, but agreed to visit after spending more time away.
• Carlret spotted a town, and he and the children headed there to ask for information.
• Linde and Frisk used the Wisdom Soul Reaction Formula to learn the monsters’ language in under half a day.
• Frisk learned that a human magic-user had founded a Magic Academy near a human city three thousand li south, and hurried back to tell Carlret.
• Linde sold food from his storage space at a stall, and Frisk found him making his sales pitch.

Linde tried to sell food to monsters, but Kirby appeared and nearly sucked him in before bouncing away. Linde then bought a large stock of Magic Items and Music Boxes, and Frisk confronted him about wasting money as they left.

• Linde set up a food stall and offered free samples, drawing a crowd of monsters who sampled the food without buying it.
• Kirby tasted the food, paid Linde with a pouch of money, then opened his mouth and used suction that nearly pulled Linde in.
• A Blonde Woman learned about an interesting fellow in another universe and stepped through a rift to go see him.
• Linde bought out a magic stall and loaded the Magic Items into his storage space.
• Frisk questioned Linde about buying useless items and Music Boxes, and Linde awkwardly tried to justify his purchases.

Linde, Frisk, and Carlret traveled south in search of a place with strong magical power, hoping to help Lairak. They arrived at a mysterious house and found Villar being chased by a mage who was trying to make her do her homework.

• Linde bought a music box because he was bored and could no longer use magic.
• Linde and Frisk joined Carlret on the journey south, and they traveled for about half a month.
• Carlret sensed a huge fluctuation of magical power to the east and led the children to a strange house.
• Villar ran toward the group asking them to save her, but Linde and Frisk dodged and let her fall.
• The mage caught Villar and explained that she had been trying to escape her homework; Linde and Frisk stopped Carlret from helping her.

Linde and Frisk became instructors at the academy and demonstrated how Determination and combat tactics could be used in battle. They agreed to teach there for a year, while other teachers listened in on their lessons.

• Linde interrupted Zhao Ye's charged punch and explained how its slow, obvious windup made it vulnerable.
• Frisk feinted with the Determination Reinforcement Technique, then kicked Linde and explained the value of tactics and surprise.
• Linde and Frisk had defeated Yi Wen and a group of the academy's teachers, who then offered them instructor positions.
• Linde and Frisk accepted the jobs for a year, partly because of the generous salary, and began teaching Determination, combat, and magic.

Chara woke inside Frisk's soul after recovering from the artifact's time crossing and watched Frisk train the class. Linde encouraged Grace to study healing instead of combat, and Frisk heard Chara's familiar voice return.

• Chara woke after months of recovery in Frisk's soul and decided to keep watching while she regained her strength.
• Frisk fought the class while Linde coached the students, then knocked Linde down when he complained about standing aside.
• Linde spoke privately with Grace about her dislike of combat and suggested that she learn the Healing Spell.
• Grace eagerly agreed to take dedicated healing lessons from Linde.
• Frisk heard Chara's familiar voice and recognized her.

Linde opened his bedroom door to a rift filled with glowing eyes and encountered someone from it, while Frisk rushed to his room after hearing him scream. She found Linde with a powerful Blonde Woman identified by Chara as Yuka before the woman silenced Chara with a flash of red light.

• Linde opened his bedroom door and found a narrow rift packed with glowing eyes.
• A hand reached out from the rift, and Linde screamed.
• Frisk heard Linde's scream while having tea with Chara and hurried to his room.
• Frisk kicked open Linde's door and found him sitting across from a powerful Blonde Woman.
• Chara recognized the woman as Yuka, but the woman flashed red eyes and made Chara's words incomprehensible.

Yukari Yakumo visited Linde, Frisk, and Chara, discussing parallel worlds and how this universe’s time revolved around Linde. Before leaving, she sent Ran Yakumo to remove Chara’s Magic Seal, but Toby warned that Ran’s presence could cause a time-space paradox.

• Yukari Yakumo introduced herself and explained that she had visited a parallel Undertale ddd universe where she and Sans fought a murderous Frisk.
• Yukari told Frisk that she seemed destined to become special in every world and said this universe’s time revolved around Linde.
• Yukari left to sleep, and Ran Yakumo emerged from the rift to remove Chara’s Magic Seal as a gift.
• Toby appeared, felt an inexplicable fondness for Ran Yakumo, then warned that she was not meant to exist in this universe and might trigger a time-space paradox.

Ran Yakumo explained how the Book of Prophecy had made the past and future changeable, restored Linde’s magic, and left Frisk with a weakened ability to manipulate time. The next day, Linde taught his class about magic and began identifying the students’ specialties before discovering something unexpected about Villar’s soul.

• Ran Yakumo explained that the Book of Prophecy had distorted causality and sent runes into Linde and Frisk before leaving through the rift.
• Toby gave Ran Yakumo a pair of maracas, and Frisk gained a weakened ability to slow down or speed up time using her Save Point.
• Linde tested his restored magic and sparred with Frisk, while Toby vanished and decided to stay out of whatever happened next.
• At school, Linde taught that magic had originated as a weapon of the Demon Clan and that a mage’s soul and nature shaped their magical specialty.
• Linde identified Wang Hao as suited to enhancement magic, Grace to healing magic, and Milakov to long-range offensive magic, then wondered why Villar’s Soul Projection was black.

Linde wondered why Villar's soul had turned black, then continued teaching magic by challenging Perseverance, Kindness, and Justice to a fight. He offered to cancel their homework for a week if they won, but the students still struggled to begin.

• Linde asked Villar what magic she could use, and she cheerfully said she could not use any.
• Linde assigned Villar extra homework and told Perseverance, Kindness, and Justice to team up and attack him.
• Wang Hao assigned Grace to heal from the back and planned to support Milakov, but the three students froze at the start.
• Linde promised to use only magic, then offered the students a week without homework if they won.
• Villar asked to join the match, but Linde glared her away, and she sat beside Frisk.
• Linde told the students to begin the match.

Linde fought Milakov, Wang Hao, and Grace in a combat practice lesson, revealing magic that blocked physical attacks and struck at the soul. After his spells filled the classroom with smoke, the three students used the cover to prepare a powerful counterattack against him.

• Milakov unleashed golden bullets at Linde, but Linde used his Keyboard and Physicalization to block them.
• Linde fired soul-targeting Explosion spells from his Keyboard, alarming the students and impressing Carlret.
• Linde slowed an Explosion word and struck it with Rend, shattering it into fragments that blasted the three students.
• Grace cast a Healing Field while Milakov and Wang Hao used the smoke to prepare a counterattack.
• Wang Hao made Reinforced Screens, and Milakov sent an enormous golden bullet through them toward Linde.