Tick insta kill.

I was vaulting while a tick was chasing me. It blew up and I instantly died. Didn't even get downed. I'm unsure what caused it but have a link to the clip of it happening. https://medal.tv/games/marathon/clips/mdFQh5ui3MQ3kIJ-Z?invite=cr-MSw1Q2UsNDQ0NDU5NDI1&v=31