Nothing else than a crowbar is required to break it, but using explosives to destroy it does speed up the process. The wall has 5000 points of health if I remember correctly, and 1 crowbar hit equals 10 points of damage, so you'd need to hit the wall 500 times for it to break. I had to take into account that multiple players can hit the wall simultaneously and so that it wouldn't break immediately, making it too easy for the bank to be robbed.

I see, thank you for the reply.
My friends and I have tried many explosives from many different addons and none have done anything from what we can tell. Perhaps we can try other things.

Here is an update on the situation - and you're going to laugh.
The reason why the wall wasn't being destroyed in our multiplayer server was because the BaseWars addon considers it an entity for raids.
We figured this out by loading the map in single player and the wall blew up after around 100 crowbar hits.

So now, we are trying to figure out HOW to make that wall not a recognizable entity by the plugin so it doesn't protect it.

Pretty much Basewars won't let you damage objects owned by someone unless you start a raid against them. The problem here is that the wall isn't owned by anyone - so you can't start a raid for it haha

just use the fast crowbar to break the wall l:

I use Gredwitch's base and his emplacement pack. 105 howitzer will do the job in 1 shot.

We figured it out.
The basewars gamemode was making world entities indestructible. The wall included.
We did some reworking on our own version of the map, but that was a while ago.

Servers Down - RIP

Just use the Ultimate Cannon weapon or use an admin crossbow

have you tried an rpg?