You can’t make one in unreal,. You have to make it Ina tool likemaya or blender. There are tons of free animations from paragon and infinityblade on the marketplace you can download. You can also download them on mixamo.com and import them in your project. Your character is supposed to be in the tpose. If you need to retarget animations to them you can change your other characters pose into a T pose and retarget them. I’ve made a bunch of tutorials on how this process works at https://YouTube.com/vic3vers4games if you need help.