Minecraft wiki entry for Blaze, associated text: Blazes are also hurt by snowballs, taking 3 damage per hit. It takes 7 snowballs to kill a blaze. They are also damaged by splash water bottles, taking 1 damage per hit. Like endermen, they are also damaged by rain by 1 every half second. Like most Nether mobs, they are immune to damage from fire and lava.