Medium aberration, chaotic evil
- Armor Class
- 14, 17
- Hit Points
- 99 (18d8 + 18)
- Speed
- 30 ft.
- Challenge
- 12 (8,400 XP)
STR
10
+0
DEX
14
+2
CON
12
+1
INT
20
+5
WIS
15
+2
CHA
16
+3
- Saving Throws
- Cha +5, Con +3, Dex +4, Int +11, Str +2, Wis +8
- Skills
- Arcana +13, History +13
- Damage Resistances
- ; bludgeoning, piercing, slashing (from stoneskin)
- Senses
- passive Perception 12
- Languages
- Common, Deep Speech, Infernal, Undercommon
Traits
Magic Resistance.
Cassiok has advantage on saving throws against spells and other magical effects.
Special Equipment.
Cassiok carries a staff of power that grants him a +2 bonus to Armor Class, spell attack rolls, and saving throws. His insectoid physiology prevents him from making melee attacks with the staff. If reduced to 20 hit points or fewer, Cassiok uses his next action to break his staff in a retributive strike.
Spellcasting
Spellcasting.
Cassiok is an 18th-level spellcaster. His spellcasting ability is Intelligence (spell save DC 19, +11 to hit with spell attacks). Cassiok can cast disguise self and invisibility at will and has the following wizard spells prepared: