Invincible

不敗の

fuhai no

(impossible to defeat, destroy or kill)

倒せない

taosenai

(impossible to defeat, destroy or kill)

無敵の

muteki no

(impossible to defeat, destroy or kill)

難攻不落の

nankōfuraku no

(impossible to defeat, destroy or kill)

無敵

muteki

(someone who cannot be defeated, destroyed or killed)