If the question is repeated, sorry in advanced, I looked around for couple of days and didn't find similar question or anything that solved problem for me, also I'm not a native English speaker so please forgive me if there's grammar issues.
I'm a huuuge noob in blender with 2 weeks of experience so far, I'm making mods for game as a motive for me to keep familiar myself with blender. Currently I knew basic manipulation with meshes and now I wanted to create animation with game assets, but there's a problem.
The character model already has an armature attached on it, and the animation I want to work and based on also has an armature, what I wanted is attach character model on the armature with animations.
I tried to unparent all meshes from their bones and try to attach them on animations with ctrl+J, doesn't work.
I also tried to directly select two armatures and use ctrl+J to make them link together, this time the character model is doing the intended animation, but the bone itself is hugely tilted like it's laying on one of the axis and it doesn't replace original armature, so it's like a set of unused bone with .001 at the end of every unused and duplicated bone.
Both armature has identical bones and all with same names, is there a way to simply replace one armature with another armature while keeping animations or attaching meshes to armature with animations?