Wolverine Troop Leader:

To defeat the Wolverine Troop Leader, run 
to one of the four poles that are around 
you, the leader will follow you. When you
get to one and when the leader is behind 
you or around it, Hit it, and the rocks 
will fall on him. Keep doing this until he
is dead and then go to the big pile of
rocks to leave. You will then obtain a key
to the Archery gate.