Needs to be fermented.
Full material breakdown in the crafting calculator →
2 Trollfish + 10 Honey + 1 Powdered Dragon Eggshells → 1 Mead Base: Troll Endurance
Unlocks once you have stood near a Mead Ketill of level 1 and picked up each of: Trollfish, Honey, Powdered Dragon Eggshells.
