noun
indispensable character; must-have character
Gaming slang for a character so strong or useful that they are considered a basic right to have; often used in gacha games or competitive contexts.
このゲームでは、彼女はまさに人権キャラだ。
In this game, she is truly an indispensable character.
初心者には人権キャラを引くまでリセマラを勧める。
For beginners, it's recommended to reroll until you get a must-have character.