Currently if there is a person trapped by manhole and the manhole get cleared by Land Protector and Crazy Weed, the person will still get trapped for the full duration regardless if the Manhole is cleared or not. I think it would be healthier for the PvP scene if Manhole effect got removed instantly the moment Manhole is cleared by Land Protector or Crazy Weed.
The core principle is to make the certain mechanic in the game to have a natural counter.
If the Land Protector and Crazy Weed doesn't remove the effect instantly, what LP basically does is just "preventing" chain trapping with manhole
Meanwhile Crazy Weed is just useless cause it doesn't do anything to the Manhole.
This similar behavior is something that I wish Dispell can also do for Cursed Circle, not only it becomes the counter of Sura's Cursed Circle it also rewards the (Backline) sorc for good positioning and dodging Enemy's Cursed Circle. Currently the only way to stop Cursed Circle is to kill the enemy's Sura.