Maybe put some negative attributes to balance the advantages. Like increase casting time, cast delay or like you can't attack for a certain time when you finish the jump. I don't know much of the skill high jump so I'm just guessing at how to balance the hat with it.
![[Image: tumblr_ny8egaizy41ugfaiio1_500.gif]](https://45.media.tumblr.com/20147c385030fed33f4428d6b7650c27/tumblr_ny8egaizy41ugfaiio1_500.gif)