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Groal the Great
Forever Raging Against the Citadel's Oppression
Complete guide to Groal the Great boss in Hollow Knight: Silksong. Chief of the Stilkin resistance corrupted by stolen soul in Bilewater.
phase 1 Attacks
Acid Spit
2 Masks
Spits two acid orbs diagonally that bounce and explode, disappear in water
Telegraph:Stomach glows green and rumbles, leans back
Counter:Go underneath him or deflect projectiles with attacks, avoid explosion timing
Inhale
3 Masks
Tries to swallow Hornet, deals repeated damage if successful before spitting out
Telegraph:Leans forward and opens mouth wide
Counter:Use Pimpillo/Voltvessels in mouth for damage, or use Ascendant's Grip/dash away
Dive Summon
0 Masks
Summons Stilkin/Stilkin Trappers or triggers spiked traps, re-emerges after enemies retreat
Telegraph:Leaps into water with diving animation
Counter:Bait Stilkins to throw projectiles into water, use platform height differences against Trappers
Hover
0 Masks
Idle behavior between attacks, keeps distance from Hornet
Telegraph:Hovers above platforms maintaining distance
Counter:Use ranged attacks or wait for attack opportunities
phase 2 Attack
Soul Spell
3 Masks
Fires 2-3 spell projectiles after closing mouth to charge each one
Telegraph:Body glows white, roars, insides emit white light
Counter:Jump over projectiles, differentiate from Acid Spit by white glow vs green stomach
Rewards
Guaranteed Drops
🎁
Journal Entry #1
lore
100%
Hunter's Journal completion
🎁
Stilkin Response
world_change
100%
Stilkin Trappers begin appearing across Bilewater with Stilkins
Groal the Great
Difficulty:Hard
Phases:Two Phases
Type:
Importance:Optional
Combat Details
Damage Output:2-3 masks per hit + environmental hazards
Fight Duration:5-7 minutes
Stagger Threshold:8 hits
Location
Primary:Bilewater
Region:Bilehaven
Character
Gender:Male
Weapon:Acid spit, soul spells, inhale attacks, environmental summoning
Faction:Stilkin Resistance
Voice Actor:Unknown
Key Rewards
Lore:Journal Entry #1
World_change:Stilkin Response
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Located in Bilewater