Well, it might take him a while to get to actually passing. But. It's a start.

He refocuses again, trying to summon up his memories of Ben a second time. "Right, okay, here goes..." This time it takes him a couple passes, but - there, again. A tiny frail light, fed by his spider blight rather than his radiance. It's not much, but he manages to make it stay this time. Just. Stubbornly holding it.