Instantly heals a targeted friendly unit and gives it 50% Magic Resistance for 10 seconds.
->
Instantly heals a targeted friendly unit and gives it 50% Magic Resistance for 15 seconds.
Now better?
Still has 10 second cooldown.
Imho better remove it..this ability has no unique effect. & other 3 abilities are enough. & those who din't knew about heal + items which I mentioned, will definitely try those 1st. Will not bother with this skill.