Assuming your king is the white one:

You need to convince all the black pawns that sacrificing themselves to the strange machine will turn them white in the afterlife… or some other political racist bullshit

This is very inappropriate. There are kids in this community. Please call it chess.c*m

“The King must die so that the game may live!”

Looks like it’s the french ruleset.

You can force a tie by convincing the mob that the black king is also a king so it must be also executed at the same time as you