"Same as seers, knowing when those fixed points are. I was one for as long as I needed to keep one in particular in view." And then. Well, he died shortly after. The ability didn't come back with him.

At least, he didn't think it did. Zelena didn't really know that was ever really in his wheelhouse, so when she controlled the dagger she never made him look ahead. And since the one vision he cared to have had come and gone, there was no thread for him to perceive, and he had no reason to try to find another.

The girl hadn't told him how he might do that, but then he wasn't at all certain she had any control.

It was very possible that if he ever found himself back home and back to himself, that power would still lie dormant in him, waiting to be used again.