Bai Xiaowen chose to unlock the eighth layer.
Spirit Realm Rules notification:
"Growth-type special equipment: Black Soul Stone has been upgraded." "Equipment-added skill: Return of the Dead has been enhanced. Please choose an enhancement option."
With a swish, the eighth-layer Black Soul Stone Enhancement Blueprint unfurled.
"Enhancement Option 1: Add a Corpse Demonfolk summon: Plague Behemoth. The Plague Behemoth possesses an Enhanced Boss Template and requires 5,000 points of Soul Essence."
"Enhancement Option 2: Add a Soulkin summon: Banshee Queen. The Banshee Queen possesses an Enhanced Boss Template and requires 5,000 points of Soul Essence."
"Enhancement Option 3: Add a Bonefolk summon: Frost Dragon. The Frost Dragon possesses an Enhanced Boss Template and requires 5,000 points of Soul Essence."
"Enhancement Option 4: Increase all attributes of your Death Knight by 10 and grant the special skill: Gangrene. Requires 4,000 points of Soul Essence."
"Enhancement Option 5: Increase all attributes of your Vampire Overlord by 10 and grant the special skill: Night Embrace. Requires 4,000 points of Soul Essence."
"Enhancement Option 6: Increase all attributes of your Lich by 10 and grant the special skill: Bone-Piercing Cold. Requires 4,000 points of Soul Essence."
"Enhancement Option 7: Increase your Terror Knight count by 4 and all attributes by 8. Requires 4,000 points of Soul Essence."
"Enhancement Option 8: Increase your Soul-Siphoning Banshee count by 2 and all attributes by 10. Requires 4,000 points of Soul Essence."
There were eight enhancement options in total.
They all looked extremely tempting. The first three added a Rare Boss Tier summon. Whether it was the Banshee Queen, Plague Behemoth, or Frost Dragon, they all sounded formidable—far more impressive than a Death Knight.
The middle three options, 4 through 6, upgraded the previously unlocked bosses into Rare Bosses and added a special skill.
The final