In other words, if one surprises you, just go up to it and kill it poison reduces your health at a slow enough rate, especially with health regeneration to give you enough time (plus they can't retaliate when healing themselves so you don't need a maxed-out sword). If none of the above conditions are true, Witches default to using potions of harming.They have a 25% chance of throwing potions of weakness if the player is within 3 blocks and does not have the Weakness status effect.They will throw potions of poison if the player's health is at least 8 ( ) and is not poisoned.They will throw potions of slowness if the player is at least 8 blocks away and does not have the Slowness status effect.