The one with Invisibility wasn’t Gray Bear, but Can, who seemed to be the slacker of the team. Invisibility did fit her role, though.0

Lithe Snake’s Gecko allowed him to walk along walls and ceilings, move swiftly, and see clearly in the dark like geckos, which were perfect for infiltration and assassination. Moreover, he could regrow his limbs once he lost them and had excellent regenerative power, making him a hybrid of warriors and assassins.2

Gray Bear’s Beastly, as the name suggested, allowed him to transform into a great beast, significantly increasing his explosive power, damage output, and defense. He was the tank of the team.0

Xiran’s Mute allowed him to make everyone within a certain range unable to use Talents for a certain duration, which was similar to how the silence debuff worked in games. Used well, it could be clutch in a battle,...1