I was more thinking that it's a fairly powerful debuff. Or that's what Naduron seemed to imply, anyway.
Not that powerful. O-O I'm sure if they felt it was, they'd update the graphs in-game.
Duration: 10 Seconds
Cooldown: 30 Seconds
-15% Force Hit Rate
-1500 All Force Resistance
Type: AoE skill
Damage: 2000 Physical / 750 Force x 3 charges.
Cooldown: 40 sec
Range: 12m/16m 2nd rank
It's a trap which you target on the ground and will damage anyone inside the circle 3 times, after 3 charges is over so will it despawn, it won't despawn until the charges has been used.