The walkthrough will only cover the main story and the two sidequests available in post-game.
Episode 1: Shapeshifter
Part one- Wooooz through the intro, learn about Curses, Cursed Techniques and Domain Expansion in the intro if you want to.
Part two- Land in Inken Town, head over to the bottom left building. Play through the cutscene and take all the starters. Talk to Professor Oak again, let the cutscene play.
Part three- Head over to the 2nd house on the top left. Navigate through the maze to the little girl. Fight her and exit towards Canken Forest.
Part four- Talk to Nick and left the cutscene play.
Episode 2: Canken Forest Curse
Part five- Head over to the top left part of Canken Forest. I will include the map since it’s a bit wonky.
Part six- Let the cutscene play and fight the Curse.
Part seven- Let the cutscene play and head towards the western exit of the forest.
Part eight- Navigate through this path to reach Hq.
Canken Forest West 1-> Canken Forest West 1 Up-> Canken Forest West 2 Up-> Canken Forest West 2 -> Canken Forest West 3 -> Sorcerer’s hideout
Part nine- Head into the Pokémon Center, talk to the guy sitting at the right table and teleport into the meeting room.
Part ten- Let the cutscene play. Talk to Kerbalt to get teleported to Cankem Forest East 1.
Part eleven-Take the HM Surf conveniently lying there. Navigate your way to the entrance of the cave. Navigate your way down to the next floor and into the ruins whose entrance is at the north of Mining Tunnel B1F.
Episode 3: What Lies Beneath
Part twelve-Let the cutscene play and solve the puzzle. The clue is given on the reading board of the same room. The last three lines are the clue. First three berry trees should be changed into color of the vegetables. Second three into color of the types of the respective Pokémon. Final three into the color of the birds.
Part thirteen- Enter into the now opened ruins. Let the cutscene play. You won’t be able to climb down the ladder unless the three trials are completed so head into any of the room.
Subpart 1- Ice puzzle
From here on, red line will indicate the path to the question and green line will indicate the path to the next part after answering the question.
The answer of the first question is 3.
The answer of the second question is 24.
The answer of the third question is 11.
Enter Glacial Room. Let the cutscene play. Battle Articuno, defeat it and you will be teleported to the entrance.
Subpart 2- Electricity puzzle
The order in which the you will have to stand on the panels is numbered. There is no fixed order but this is the shortest solution.
Head over to the warp panel at top middle.
Head over to the warp panel at top right.
Enter the Zapping Room. Let the cutscene play. Battle Zapdos, defeat it and you will be teleported back to the entrance.
Subpart 3- Magma puzzle
The small pillars are switches which make the rocks in the way disappear.
But Swaggy? How we are supposed to know that?
OBSERVE THE ENVIRONMENT. IT’S LITERALLY THE EASIEST ONE AMONG THE THREE.
The order is given below.
The answer to the question will be 6. Head over to the Magma Room and let the cutscene play. Battle Moltres, defeat it and you will be teleported to the entrance.
Part fourteen- Once you’ve completed all three rooms, head down the ladder.
Episode 4: Turning Point
Part fifteen- Let the cutscene play. After the teleport, head over to Sorcerer’s hideout. Let the cutscene play. Battle spoilers. You need not to win the battle. Let the cutscene play. Battle spoilers. You need not to win the battle. Let the cutscene play and get telported to North of Canken Forest. Enter the exit into Canken Forest Shrine.
Episode 5: Battle at the Shrine
Part sixteen- Let the cutscene play. Battle spoilers. You need not to win the battle. Let the cutscene play. The game ends there.
There are two sidequests available for post game, one of which is just for fun and another is for a bit of info about the sequel.
Both of them have Level 65 boss Pokémon so be prepared.
- The first sidequest is from the man with glasses in Canken Forest West 2 Up.
- The second sidequest is the oldwoman standing near the fridge in Inken Town top left house.
See you all in Pokémon Kaisen: spoilers Arc!