In game design, a damage script controls how much health is subtracted from a player or NPC when they are hit by a weapon or projectile.
Instead of a risky download, you can use this standard template to apply 45 damage in Roblox Studio: script damage 45 zip download
Search for "damage script" on the Roblox DevForum for verified code snippets you can copy and paste directly. In game design, a damage script controls how