The player comes across a tough enemy that has to be defeated in a certain way. The game doesn't tell him how, so the player is left to figure it out on their own or look it up
. It isn't until after
the player defeats the enemy than an NPC tells him how to defeat it.
Can cross with Captain Obvious
- In Robin Hood: Prince of Thieves on NES, Azeem tells you he dropped a key in the cell you were in, but in order to talk to him you would have had to found the key and escaped already.