Breakable floors?

[Calligan]

I noticed a little symbol on the floor in the Ramparts, I can ground slam it and it glows and starts vibrating but I can't seem to break it?

[I'm Mr. Meseeks, look at me!ݴ]

The rune to break floors is in the Ossuary. You have to kill an eliete slasher is all.

[Calligan]

Awesome, cheers!