Kubfu
Train in the Tower of Darkness
or
use 
Scroll of Darkness
Scroll of Darkness
Urshifu (Single Strike)during battle
use 
Dynamax Band
Dynamax Band
Gigantamax Urshifu (Single Strike)Train in the Tower of Waters
or
use 
Scroll of Waters
Scroll of Waters
Urshifu (Rapid Strike)during battle
use Dynamax Band
Dynamax BandScroll of DarknessDynamax BandScroll of WatersDynamax Band
Gigantamax Urshifu (Rapid Strike)