Combustion Belly Spiderling is a unique type of spiderling summoned by Mizora if Wyll is alive and chooses to rescue this father Ulder Ravengard from the Iron Throne.
Jump up, down, and across. Your Strength affects how far you can jump.
Range: 11 m / 37 ft
Recharge: Per turn
When killed or on their turn, Combustion Belly Spiderlings can explode, dealing 3d6Fire in a 2 m / 7 ft around them. A DC 15 Dexteritysaving throw can be made to take half damage.
While not a significantly high damage at this stage of the game, this will usually cause other Combustion Belly Spiderlings to also explode, potentially killing Ulder Ravengard.
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Melee: 1.5 m / 5 ft 
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Range: 11 m / 37 ft
Recharge: Per turn 
Fire in a 
2 m / 7 ft around them. A DC 15 
Dexterity saving throw can be made to take half damage.