He swears he sees him, when the voice rings out, just enough hair and shoulder for him to know and he feels like throwing up. He's there. He's been there this whole time and he was too stupid to do anything about it. Why didn't he just go look, what must Jon think of him, fuck, fuck--

Mercy yelling snaps him from it enough to realize he needs to act, even though it absolutely takes him a moment to realize she just took off her clothes to vault over. Never say she doesn't have commitment. Martin follows without thinking, knowing he's going to get scraped but hopefully not enough to hinder as he pulls himself up. Once he gets towards the top of the fence, he calls out into Dogtown, as reassuring as he can stand. "I-- I'm coming, Jon! We're coming! Just hold on!!"