Looking for locked treasure

I my whirlwind tour to find doors locked with the Mystic Key I fought many more monsters and managed to make Level 10.



Ooo, the Sahagin's brought along their Chiefs. This worked just as well as the Ogres bringing their Chieftains to the fight.



I'm thinking that this piece of information will come in handy way down the road.



What's a Crosier?



Nitro Powder, I like the sound of that. (it used to be called TNT)