The lowest requirements to participate in various activities of the Jadinko Lair are 83 Fletching, 83 Firemaking, 83 Woodcutting, and 80 Slayer. The attackable mutated jadinkos within the lair range from levels 93 to 100. * These items can be fletched outside of the Jadinko Lair, but require items that are collected or made in the lair.