Add weapons that fit in the arm section, such as Predator style retractable blades (quick hits but little damage) and Cyberpunk Mantis Blades (Rare High Damage Blows) shocker (slows down the enemy)
ranged combat: cat hook in Just Cause (when held down shift, the shift pulls towards the player when holding space, pulls in the player) crossbow (shoots a red-hot bolt and comes out of hand) cannon with a net (gives a slowdown 3 when playing with the Kidnap mod binds the player)
body upgrade: small jerk motors (allow you to make small jerks to the sides (3 blocks) and to the top (5 blocks)
improvement of legs: spikes or magnets (reduces knockback when activated and hooks to walls WITHOUT MOVING ON IT)