permadeath

[ pur-muh-deth ]
/ ˈpɜr məˌdɛθ /

noun

(in a game, often a video game) the permanent death of a defeated character, after which the player of the game cannot continue with the same character.

Origin of permadeath

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019