Phasing: something like the blink drive. Like phasing out (going out) into an alternate dimension then phasing in (going back in) back to the original dimension, in a different place, nearly instantly.
GraviSuite PvP is still possible but extremely hard, think GraviSuite v. GraviSuite. Even harder with auto-recharging functionality. But the new leggings, you just teleport somewhere and the enemy doesn't know where to go. GraviSuite flying is okay because you can see where the guy is flying and you can chase after.
How would phasing be greifing,It doesn't destroy any blocks?
You can also put a special block to prevent that.
Also everything`s configurable.
The teleportation feature would use alot of energy also doesn't go very far and has a timeout sequence.
Also the teleportation feature with which you can teleport to other players IC2 tele porters can be locked with a special button or tool or something like that.