Just a little take on how the SamSho Rage Gauge/POW bar could look on the character UI, if it were to be implemented into Nako and her moveset.
For those who are wondering how it works, the Rage Gauge fills up each time Nakoruru takes damage from an opponent's attack. The harder she gets hit, the faster it fills up. When the gauge is completely filled, Nakoruru will enter into a state known as "Rage Explosion". During this state, Nakoruru is awarded with more damage power for most of her moves, as well as her specials having multi-hit proprieties. However, while this was not the case for her in SamSho, this will not affect the knockback on all of her attacks in Smash. After 16 seconds has passed (or after preforming a Final Smash), the gauge will return back to its original state. Unlike in SamSho where after losing a round, the status of a player's gauge remain unchanged from the last round, when Nakoruru is KO'd in Smash, the gauge will reset back.
IMO, I think it'll be great to incorporate the Rage Gauge into Nakoruru not only to help set her apart from the rest of the roster, but also the fact that the Rage Gauge is a SamSho stable and it honestly wouldn't feel right if she were to be in Smash without it.