Recaps

Chen Si survived the fall of Shiganshina, trained with the 104th Cadet Corps, and rallied its recruits toward fighting the Titans. After graduating first and awakening his Ackerman bloodline, he resolved to face Bertolt.

• Chen Si joined Mikasa and Eren in the Ackerman home, then fought off the traffickers who attacked the family and comforted Mikasa after she killed one of them.
• When Titans breached Wall Maria, Chen Si and Mikasa lost Mrs. Ackerman, then Chen Si cut Carla free from the rubble as Hannes carried her to safety.
• Chen Si and the others endured refugee camp hardships before joining the Training Corps, where he discovered that lightning could strengthen and sharpen metal.
• Chen Si befriended Sasha and Christa, unsettled Reiner and Bertolt with his knowledge of Shiganshina, and helped Eren pass the balance test with his equipment.
• Chen Si excelled in training, took first place in the graduation rankings, and challenged the cadets’ belief that humanity could not defeat the Titans.
• Armin, Eren, and Mikasa chose the Survey Corps, while Chen Si recognized Chris Vineyard as a possible fellow transmigrator.
• Chen Si awakened his Ackerman bloodline and killed three Titans with lightning and Divine Sense, then shared stolen meat with the cadets and prepared to face Bertolt.

Chen Si fought the Colossal Titan, rescued soldiers and civilians, and helped the cadets survive Trost’s breach while Eren revealed his Titan power. After the military turned its guns on Eren and his allies, Pixis intervened, and the story left with Historia facing Patrick’s plea for help against the Girl’s Strap.

• Bertolt transformed into the Colossal Titan and breached Trost’s wall, but Chen Si fought through his steam and struck at his nape before collapsing from exhaustion.
• Pixis refused to abandon Trost and sought Chen Si’s help, while Chen Si declined a Garrison post that would keep him from fighting alongside his comrades.
• Chen Si rescued Christa and Daz in a blizzard, survived an avalanche, then helped Hill’s squad and forced Duke Barren to open the Inner City gate for the refugees.
• Chen Si killed Titans on his way to the front, but a Titan bit off his hand and knocked him unconscious as Eren was swallowed, and his electrical power later regenerated his hand.
• Chen Si rescued Mikasa and Armin, then joined them as Eren transformed into the Attack Titan and fought the Pure Titans around Trost headquarters.
• Chen Si and the cadets escaped the headquarters Titans, killed the seven Titans in the supply room, and rescued Eren from his dissipating Titan form.
• Kitz accused Eren, Mikasa, Armin, and Chen Si of treason, but Chen Si stopped a gunner from firing on Eren and Pixis arrived to take control.
• Pixis stripped Chen Si of his top graduate standing and barred him from the Military Police, while Armin offered a plan to use Eren’s Titan power, and later, Patrick begged Historia for help after the Girl’s Strap murdered his family.

Chen Si helped the soldiers retake Trost, defeating Marcel and weakening Bertolt’s explosion before Zeyechuan kidnapped Carla and was captured. After Mikasa’s electricity healed Chen Si, the Military Police arrested him and Eren, leaving them imprisoned as Erwin asked Chen Si to aid the Survey Corps.

• Patrick revealed Zeyechuan’s role in Girl’s Strap, and Chen Si agreed to help capture him while preparing to join the Trost retaking operation.
• Chen Si rallied the soldiers for the operation, then fought Titans alongside them as Eren transformed and struggled to seal the breach.
• After Trout died and Eren fell unconscious, Chen Si kept fighting while Armin urged Eren to wake and carry the boulder.
• Chen Si and Annie confronted Reiner and Marcel, and Chen Si’s thunder attack killed Marcel after Mikasa awakened her bloodline and attacked the Jaw Titan.
• Eren carried the boulder to the gateway and sealed the breach, while the Survey Corps regrouped and Bertolt’s transformation explosion critically injured Chen Si.
• Zeyechuan abducted Carla, but Hange, Levi, and Mike exposed and captured him before he could escape with her.
• Mikasa’s tears sparked electricity that healed Chen Si, who woke and learned Marco had died before the Military Police arrived to arrest him and Eren.
• Nile’s soldiers carried Chen Si and Eren to the dungeon, where Erwin, Levi, and Chris visited them and Erwin asked Chen Si to help the Survey Corps.

Chen Si and Eren entered the Survey Corps, but the attack on Headquarters killed Carla and hardened Chen Si’s resolve to protect his loved ones. After Chen Si executed Zeyechuan, the cadets began choosing their regiments, while Chen Si learned that the system still counted a third player online.

• Erwin secured Chen Si and Eren’s release into the Survey Corps, where Levi took responsibility for supervising them.
• Chen Si warned Erwin that Reiner and Bertolt were infiltrators, and Erwin revealed that Zeyechuan had been captured after accusing Chen Si of leading the Titans.
• Reiner set fire to the Armory and freed the Titans, and Chen Si rushed back to Headquarters after Carla found them.
• Chen Si killed the Titans, but Carla died after urging Eren to live, and Chen Si asked Eren to promise to protect his friends and stay alive.
• Chen Si and Zhang Surou interrogated Zeyechuan, while Erwin learned about his crimes and decided to execute him publicly.
• Chen Si killed Zeyechuan with lightning and received his character template, then proposed giving Zeyechuan’s abilities to a strong family member who would join the Survey Corps.
• After the cremation, Historia and Jean chose the Survey Corps, while Annie decided that her family mattered more to her than Chen Si.
• Chen Si learned that the system had detected no other transmigrators besides him and Zhang Surou, despite reporting three players online.