A dueler is only a good as his finest lift.
Why didn't you cite the tool you used to make these? It is kind of important since it does the 'cobwebs' effect.
second one is good, but watch keeping the wall cracks close to other lines, or it will create an ugly fill as it did to the left of the face.
good job
Made with dA Muro?
I like the vibe terty, interesting to see what you will come up with next.