Release date 1 June 2017 (Update)
Members? Yes
Combat level 250
Always drops Nothing
A lava born creature with healing powers.
Combat info
Hitpoints 80
Aggressive No
Poisonous No
Max hit 10
Weakness Magic
Attack Styles
Ground-targeted AoE
Slayer-icon Slayer info
Slayer level 1
Slayer XP 80
Category TzHaar
Assigned by
Chaeldar chatheadNieve chatheadDuradel chathead
Combat-icon Combat stats
Attack-icon Strength-icon Defence-icon Ranged-icon Magic-icon
1 1 100 1 1
Attack-icon Aggressive stats
White dagger White scimitar White warhammer Magic-icon Ranged-icon
+0 +0 +0 +0 +0
Defence-icon Defensive stats
White dagger White scimitar White warhammer Magic-icon Ranged-icon
+0 +0 +0 +0 +0
Other bonuses Immunities
Strength-icon RangedStrength-icon Attack-icon Poison hitsplat Venom hitsplat
+0 +0 +0 Immune Immune
Attack speed
Monster attack speed 7

Jal-MejJak appears in The inferno when TzKal-Zuk is at 20% health. They will rapidly heal TzKal-Zuk unless the player attacks them. Doing so causes them to stop healing TzKal-Zuk and start raining lava balls on the ground in front of them, similar to the effect at the Chaos Temple. Each lava ball does around 8-10 damage. This damage can potentially be dodged, but doing so risks being hit by TzKal-Zuk, who can kill the player instantly. Thus, the preferred method is to kill them quickly with range or magic, while eating through the damage.