He should've massacred all them, these are one of the most dumbest and most annoying criminals aha.

If the MC has even half a brain and uses even half of that. Let's see a lying member of a clan notorious for being dishonorable and deceit offers the answer the MC's been looking for all along.
Just come into our parlor. At night. Alone. Geez at least set up an alibi or maybe give away tons of those masks.

hopefully he kills them all also even if he set up an alibi they'd still try to kill him just look at earlier

Oh yeah! Bring it on!

Why close the gate? He can jump over the walls.