This boss has the highest HP in video-game history

Takes 21 digit damage and doesn't die.
Game is CrossCode. Buy it on Steam.

[@Mister_Oddity]

I'm just gonna asume he has 9,999,999,999,999 hp

[@unitrader403]

in the game files is defined as ``1.6e+20`` which is scientific notation for
160.000.000.000.000.000.000 hp
so you were off by about 7 orders of Magnitude

[@chrismarek7864]

@@unitrader403 That’s 160 quintillion HP!