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In addition to normal weapons, Blazes can be hurt by snowballs, taking 3 (1 1/2 hearts) per hit. If they have found a way into the Overworld, they are also damaged by water and even rain: Water does roughly 1 damage every second. Like all Nether mobs, they are not damaged by fire or lava.

Quick Tips and Facts. Blaze take damage from water. Snow Can damage and kill a blaze. Blaze only shoot when they have a clear shot.