Revert the heal nerf and then nerf the movespeed

Revert the cooldown to 240 seconds and then nerf the movespeed to remove some of the safety that the spell provides.

I think you should change it from [30% movespeed for 1 second] to [30% movespeed that decays over 1 second.]

Tbh it shouldnt even have movespeed but lets just see what this does