Leather armor is seldom good armor.

There are "item and monster rooms". These rooms are packed with monsters, but if you defeat them all, you receive a lot of items!

Sometimes there are "tunnel rooms". They're mazelike and confusing- it's like a room with items. They're quite twisty and usually require searching to fully explore and escape.

Leprechauns steal your gold sometimes! Your purse will feel lighter afterwards.

If you've drank a potion of blindness, you cannot read scrolls until the potion wears off.