ToME: the Tales of Maj'Eyal

Disengage doesn't move you to a place, so if you're trying to target a location, it won't work. Disengage makes you jump away from an Enemy. So what you should target is the enemy you want to jump away from. I click on "disengage", then on the enemy and....the power goes on cooldown but I...

Is disengage broken in the latest version? I'm new to the game, and I have an Archer. I have tried all manner of ways to make it work, and It simply doesn't move me at all when I use it. Am I missing something vital?