Upgrade wall for what?? Let the TG hit more and we get lightling strike more?? Remove the wall better.
Walls are still important for defense especially the high level ones (that is if you care about defense unlike others who don't). Just try to attack the top players and see for yourself if walls are "lousy" and unimportant.
(85271620) replied at 9-28-2013 06:13 AM static/image/common/back.gif
he means they can hit walls all day and kill everyone without him entering the base
Sorry haven't seen a TG in an actual raid. So he does not make an effort to go inside and break the wall? he just stands outside and does his lightning skill? If so then he's OP for raids (though he is weak in the arena, that may be the balance set by the devs).
The stronger your wall is, the better it is for TG to activate his skills. Unlike SM which need to fly over walls to look for target.