Once Human Deviation
Festering Gel
Festering Gel: Flawless Fortification Build Fortification (heal + sanity regain) See deviation ability, source, securement needs and related builds.
Effect
Festering Gel details
- Flawless Fortification
- Build Fortification (heal + sanity regain)
Acquisition
How to obtain Festering Gel
Capturable after defeating Foul Shadowhunter
Securement
Mood boosters
- Red light
- Electricity (2W)
Community loadouts
Builds using Festering Gel
My Shrap Build
SOCR - The Last Valor · Updated 4 Jun 2025
PvE build →Bow Speedrun (test)
Critical Pulse · Updated 1 Jun 2025
PvE build →Jess Build
ACS12 - Corrosion · Updated 27 May 2025
PvE build →Early Game Crit Pulse
Critical Pulse · Updated 25 May 2025
PvE build →Bullseye Weakspot Build
DE.50 - Wildfire · Updated 30 Jan 2025
PvE build →Bow Bomber
Compound Bow · Updated 19 Jan 2025
PvE build →Power surge
MPS7 - Outer Space · Updated 7 Jan 2025
PvE build →Icy Rain Budget
KV-SBR-Icy Rain · Updated 6 Jan 2025
PvE build →FORTRESS TANK
M416 - Autumn Equinox · Updated 28 Dec 2024
PvE build →Bounce House
MPS5 - Kumawink · Updated 26 Dec 2024
PvE build →Bulls Eye build
DE.50 - Wildfire · Updated 27 Nov 2024
PvE build →Doombringer
DBSG - Doombringer · Updated 23 Nov 2024
PvE build →Keep exploring
