So, i was playing platinum with my friend and i was doing the missile launcher glitch then something happened when i was playing.

i shot the last enemy then died at the same time and i got back up. after the next wave, i was going to shoot the geth prime but before i shot him, he shot me first then took my health down. i wasnt getting down and my health bar was emty. i was invicible for about ten seconds then i died.