Well shoot him in the head and try to catch him before he falls over. You might not be able to keep someone from dying, but you can keep them all from dying.
I didn't even know that the Temmie armour existed. And I believe the only times I really died was against Mettaton EX and Undyne. Though I only died to Undyne since I didn't know you were meant to run.
literally everyone who isn't a newfag like you knows that.
Also FJ is content is not a thread. We are in the comments section right now, replying to all sorts of various mixed content. if you don't like content, hit "skip" with right (or left?) arrow key.
I believe it's just a on-off art thing. Unless you mean the subject of the art, in which case it would be from the game Undertale, a very nice game with a fandom that some people dislike a lil bit.