Understand how effects are transmitted through them.
Hitbox
There is a Hitbox Component on the sword move set. Typically, it is controlled by a State Modifier.
The Attack with Hitbox Mod is responsible for the hitbox's activation and effects to send on collision.
Hurtbox
You must have hurtbox component for P Entities to get hurt. It is responsible for receiving effects and allowing the receiver to have invincible frame.