Hey, im new here and i also dont know which part of the forum i should post this,
but im trying to start a fan project, and im using two game characters but im constantly running into problems when applying attempting to paint or hammer the skin weights.
the mesh would start to separate at vertices that are supposed to be combined.

bending without weight painting or hammer weights

and with

its come to the point where i dont want to even attempt it anymore, but i need to get my project started
can anyone help me out, or even rig this for me