This is the list of portraits and the order in which you can buy the passwords from Weasley’s Shop.

Bertie Bott-10 Cauldrons

Go straight and cast the trunk, portrait, floor, and 2 chairs. Get Beast 6 card.

Derwent Shimpling-12 Cauldrons

Go straight and defeat 8 imps. Cast the cauldron on the right and 2 sets of armor on the left. You can also cast 2 flags and a banner that leads to a secret area with a trunk and Beast 7.

Mopsus-12 Cauldrons

You will need the Mopsus password from the shop. From the save book in the portrait room, head to the opposite side of the castle, where you found the gargoyle. Continue straight through the next door. On the right you will see a portrait that opens when you get near. Go straight to save book. Turn right, cast the floor and jump. Repeat this 2 more times. Get Beast 2. Cast the trunk on the left and right and defeat the ferries. Go straight and on the left cast the floor and jump for floating goodies. Repeat this 3 more times until you are back where you started. Go straight and out.

Tilly Toke-15 Cauldrons

Go straight and triple cast the locks. Cast the gargoyle. Turn right into the secret room, cast all of the armor. The stairs behind you lower, go down and collect goods. Cast the trunk for Beast 4. Turn around and go back the way you came. Turn left and go left upstairs to the start.

Glover Hipworth-15 Cauldrons

Go straight to the save book. Cast the gargoyle. Turn left and cast the trunk on the left and right. Cast the fire beetle ahead. Get close enough to the edge and you’ll knock him in. Walk out to the bridge. Turn left. Defeat the fire beetles on the left and right and a door opens ahead of you. Defeat the fire beetles on the left and right then go straight and turn left. Cast trunks on the right for Beast 3 and turn left to leave.

Hesper Starkey-20 Cauldrons

Climb up and turn right. Cast armor on left and right. Cast floor and jump. Cast chevron. Defeat 4 imps. Cast trunk on left and right. Cast floor and jump. Defeat 2 fire beetles. Cast floor and jump. Beast 5. Go back out the way you came.

Leopoldina Smethwyck-25 Cauldrons

Go straight and defeat many ferries. Cast the floor and jump. Cast the chevron and then jump down. Turn right and triple cast trunk. When you go out you get attacked by books. Defeat like the Monstrous Book of Monsters. The gate in front of the trunk on the left is now gone. Triple cast the trunk.

Bridget Wenlock-30 Cauldrons

Go straight and cast bookshelf on the far right. Go in this area and cast the chevron on the right. Cast the floor and jump. Cast the armor on the right and the banner on the left. Go straight, turn left and cast the armor on the right. Cast the floor and jump. Go straight and cast 3 armors way up high toward the ceiling. Cast the floor and jump. Cast the case and you’re attacked by several books. Defeat them much like you would the Monstrous Book of Monsters and collect some goodies.

Harry Potter and the Prisoner of Azkaban Walkthrough