Castle Golem -- drops the stone needed for the button (can't remember where the button is off hand)
"There's a magical force that stops you from going here when it's not raining." -- use a rain potion
RGB puzzle -- ????
Arrows -- solution to floor 2 puzzle
Altar thing -- unlocks Purple Key Guardian
Floor 2 portal located just before the prison cells
Requires portal base 2 and portal 2 -- portal base 2 from elite gathering, portal 2 from g3
Arrow puzzle -- solution is arrows from floor 1
Castle Merchant -- Sells g3 portal
Buying portal 3 from Castle Merchant -- requires purchasing the boots and attaching puffer needles to them to cross the ice. The hint is on a paper on the wall at the end
Door puzzle -- find the odd one out each time
**Note there is nothing past the goblin dad
Floor 3 portal located next to goblin dad across the ice
Requires portal base 3 and portal 3 -- portal base 3 from elite gathering, portal 3 from Castle Merchant
Arrow puzzle -- reverse order of the floor 1 arrows
Faradox fight -- required to start a quest. Attempt the fight.
Should obtain a new mould -- give all the metals it asks for. Drop it down the hole located near the beginning of floor 3. This unlocks the dungeon.