Change -ward teleport to be targetable.
Targeting the ground will produce the same typical result of warding an area for a few hours.
Targeting a player will cause the target to be prevented from teleporting for 5-10 minutes. Persists through transitions. Perhaps each level of Abj. Focus can raise a players resistance to this ability, lowering the timer.
This way players have some counterplay to easy teleportation escapes for at least a brief time.