Model Engine ⊹ FOURARMS[Ben10] Updates (2)

An update suggested by buyers, another new model of FOURARMS, with slightly revised skills, has been tested in 1.20.1

Changes to appearance, a leaner physique, and a height of about 4 blocks tall.
Addition of new skills, including two new skills: Rapid Uppercut and Lethal Combo Punch.
Skill adjustments, using new @Target for more precise coordination with model animations.