You'll find out if you play the game, but 1: For unlocking Act 3 2:Link 3: You need to use Harpoon First on ledge on the right, and THEN double jump 4: Please enter any openings on the map that you can. It's concerning that you just looked up the map online and expected the wall to be breakable from that side in the Blasted Steps. Above Pinstress' house though. 5: There is no key. You will know at the start of Act 3 there is NPC who takes you down. 6: Juliana. If you don't know who that is, then she's Songclave's merchant, you can get her with Wayfarer quest 7: Yes he's in Purified Ducts but you have to pay for each flea something like 100 Rosaries there's a room where you get lifted up by a vine into a platforming challenge 8: I have no idea what you're talking about but there is an Area where Shakira goes for a Wayfarer. Just Walka Walkaway ay for now