Kinda area damage but with sword

I want to make trigger that will deal damage to every enemy in radious of this trigger. I dont know how to make it soo if u can help me pls.

thats my attack radious

You need to think the other way around: it isn’t the trigger who causes damage, it’s the enemies who are damaged when inside the trigger. You need to create an OnTriggerEnter method that will decrease your enemies’ HP and attach the script to the enemy prefab/object.