"If you made yourself blind for a week, you'd be able to double it for the next week or spend five minutes at," zinc "two thousand times as sharp. Or if you'd rather not blind yourself, you could pass one of those spikes to me, let me store vision with it, and then take it back. Since the down side doesn't apply to me.

Alternatively, I could do the spying since being seen there is more dangerous for you, and then pass you the memories the same way."