
Karroz, Sigil of Ch'thon is a unique boss creature that can be found in the true end of Darkvale Gate. Killing him is necessary to complete the Reaping What You Sow quest because he drops the Karroz's Tome.
The fight against Karroz is devided in two stages:
- You fight Karroz himself.
- When the health of Karroz is empty, his body is used as a portal by a Chthonian entity: Thall'Nosh
Stage One : Karroz, Sigil of Ch'thon[]
Family : Human
Genus: Bloodsworn
Abilities[]
- Chaos Aura
- Chaos Orb
- Doom Bolt
- Curse
- Summon Void Fiend
- Summon Chthonian Devourer
- Ring of Chaos
Resistances[]
- Level 4 Hero/Boss Resistances
- Chaos Resistance 25%
- Reduced Freeze Duration 500%
- Reduced Knockdown Duration 500%
- Vitality Resistance 25%
Stage Two : Thall'Nosh The Unraveler[]

Family : Chthonic
Genus: Chthonian Unraveler
Abilities[]
- Summon Chthonian Devourer
- Chaos Trap (unofficial name)
- Summon Obsidian Shards
- Chaos Strike (unofficial name)
Resistances[]
- Level 4 Hero/Boss Resistances
- Chaos Resistance 25%
- Reduced Freeze Duration 500%
- Reduced Knockdown Duration 500%
- Vitality Resistance 25%
Notable Drops[]
- Chthonic Seal of Binding
- Final Sermon: The End of Times (Note)
- Magnificent Spoils
- Karroz's Tome (Quest)