To achieve a "3D feel" in 2D, you need the professional-tier tools: Spine: 2D skeletal animation for games
Once imported, you enter to build the character's skeleton. spine pro a complete 2d character animation guide free new
: Never animate the root bone; it should stay at 0,0 for the developer to control in-game. To achieve a "3D feel" in 2D, you
: Ensure joints have extra "padding" art so gaps don't appear when a limb bends. it should stay at 0