Now that you have explored the first few places in Possessor(s), the next areas are going to be a little more challenging. You may not find the way to get to the next place after exploring Fluorescent Park, but that is alright; you do not have to worry. Here, I will provide a complete walkthrough of the next few sections in Possessor(s), including Campus Hill, Sunken City, Rusted Dockyard, and Abandoned Mall.
If you wish to learn more about the game, head over to its Steam page. There, you can also read its reviews and interact with the community.
Table of contents
Possessor(s) – How To Reach Campus Hill

After you have talked to Tens, go left and drop down. Once you are at the bottom, head right, and you will encounter some enemies ahead. You can skip this whole fighting section by going right through the water. However, at the top right, you can find one of the best affixes, Glasses, so make sure to pick them up first.

Once you have the Glasses, go right and keep heading in this direction. Eventually, you will notice some red flowers with long roots. Go down and then make your way to the right. Eventually, you will reach another section where you have to swim to the other side. Crossing that will take you to the Abandoned Mall in Possessor(s).

In the Abandoned Mall, you can find a demon named Orren near a red door in the lower area. There will be a lot of red flowers with roots around, so go down from there. This will trigger a quest called The Bigger Teddy. Enter inside, defeat the enemies, and you will receive Charge Juice, an item that increases your special charge when you collect three of them.
Keep going right and defeat the enemies. Now go down, and eventually, you will reach Campus Hill.
Possessor(s) – Campus Hill Walkthrough

Once you are at the bottom, you will notice a red jumping pad. Go right, fall down, fall again, and to the left is a station in the Campus Complex area. From there, go right, and you will find a rest site. Continue going right, and in this area, you will have to use your Whip a lot.
Exploring Campus Hill

If you can’t find an entrance after moving a book cupboard, the solution is to climb the cupboard and look for another way. Use your map and head to the right side, and eventually, you will come across Professor Foss. Go right, defeat the enemies along the way, and keep moving in the same direction.
Eventually, you will hit a dead end. This is when you need to use your Whip to pull the book cupboard, climb it, and jump to the right. Keep going right, and when you reach another dead end, move the book cupboard, go up, and head left. Eventually, you will reach another dead end, so pull the book cupboard, climb it, and jump to the right again.

Then, drop down, and to the left, you will find a flesh granting you a new ability, Slide Breaker. This allows you to slide through small gaps and even destroy obstacles blocking your path. Now, slide to the right, go up, and grab the red roots. Keep going up, then head left, and eventually, you will reach another resting point.

Go left and defeat the enemies. Use your Whip to go up and then head left. Keep going in the same direction and then head up. At the top, you will notice a room to your right. Interact with it, and a boss fight will be triggered. This is one of the bosses that Tens asked you to kill.
How To Defeat Benchwarmer

This boss, Benchwarmer, may pose a challenge as one of his combos is quite lethal. He teleports frequently and jumps on you from above. This can be parried, but it is usually better to dodge. He also throws bombs at you; they do not explode on contact but detonate after a short delay, so make sure you are not standing near them.

The fire on both sides of the arena can also deal damage. The combo you need to be especially careful of is when he charges his swing from the left side. This is a long combo, and he leaves afterimages behind, which you can attack. He also performs some AoE attacks, which you should either jump over or dodge.

After performing some attacks, he will move in a circle in the middle of the arena, and his afterimages will turn purple. Each of these will become a bomb heading your way. You can either parry or dodge them. You will get enough openings to defeat Benchwarmer, so avoid being greedy.

Once you have defeated him, go left to obtain a new weapon, the Electric Guitar. After that, go back, and there will be another room just below this one. Go there and keep moving to the right. Eventually, you will see a dialogue option, and shortly after, a new boss will appear.
How To Defeat Nightmare

Nightmares is basically your character, but on steroids. This boss is extremely fast, so I would not recommend using the Electric Guitar here. The Baseball Bat or Kitchen Knives are better options for this fight. Nightmares runs away frequently, making the fight a little annoying.

When she moves to the top, she will perform projectile attacks, which you should dodge. Parrying them is very difficult, so dodging is usually the better option, but if you can pull off some parries, go for it. She also uses the Slide and Dive abilities, so be prepared to dodge when you are near her.

Additionally, she can shift weapons at any time. That said, you will get some openings to attack her. The main opening is when she sits down to catch her breath. Be especially careful of her projectiles and the Guitar. You can dodge the projectiles by repeatedly spamming dodge.

Upon defeating the boss, go right, and you will find Microfilm EA-1023, an item Professor Foss requested. You can explore the area to find more items and additional Microfilm for the professor. However, this is not necessary for the main story. So, let’s head on to the next area.
Possessor(s) – Sunken City Walkthrough

Now that you have explored Campus Hill in Possessor(s), it is time to head over to the Sunken City. Head back to the red jumping pad you saw at the very start and climb the flower root to go up. Then go left, and you will enter the Sunken City. Since you now have the Slide ability, you can proceed further.
Go inside the elevator, and on the third floor, there is a trader. You can buy items and affixes from Reyna. You can also explore the fourth floor, but the floor you need to go to is the first. There, you will find a resting place, so keep going left. Continue left, and eventually, you will encounter some shark-like monsters.

You have to defeat them to proceed. They will not appear all at once, so do not worry. The best way to defeat these enemies is by parrying. They rush toward you, so time your parry carefully and deal damage. After defeating them, continue heading left. Keep going left, defeating the monsters along the way, and eventually, you will reach a resting site with Wexy standing right next to it.
Exploring The Sunken City

From here, go left and follow the big red root. Keep going up, and when you reach the top, head left, interact with the door ahead, and continue in the same direction. Go left to find another resting spot. From there, keep heading left, using the ladders to progress.

Continue in the same direction until you reach a dead end. While you cannot go any further left, you can go down. Do so, and when you reach the bottom, head left, and you will eventually come across another resting spot. Go left, then down, left again, defeat the enemies, grab a Chromatic Carbuncle, then go back, down, and down again.

Next, go down and enter the room to your left. Drop down, go right, and defeat the enemies. Once done, go left, drop down, and go left again. There is a station you can use for fast travel. Go left, and shortly after, you will reach another resting spot.
From there, keep going left and drop down. You will find a memory; interact with it. This area has a lot of monsters, so fighting them all can take a long time. I recommend falling all the way down and then heading left. Keep following the path, and eventually, you will reach another memory. Go left from there, and you will arrive at the Rusted Dockyard.
Possessor(s) – Rusted Dockyard Walkthrough

Now go left and then up. Use your Dive ability to jump higher. Keep going up and then head left. Eventually, you will come across a station. Ahead are two monsters; talk to them, then go right and climb the ladders. Keep going up the stairs and destroy the giant red flesh. After that, head left through the red barriers.

Keep going left, and eventually, you will reach another steel ladder. Go up, and there you will find a Bioluminescent Plant. You can go right to grab a Chromatic Carbuncle, or you can simply go down and head left. There, you will find a resting spot. Go right from there to talk to a survivor, then head down.

When you are at the bottom, you can activate an air current on the right side if you want to go back up. Now, to proceed further, we need an Executive Keycard. So, for now, let’s go back to the Buried City, as I could not find a keycard in this area whatsoever.
Going Back To The Buried City

After going to the Buried City, you probably remember the breakable ground. It is pretty close to where you start the game, on the right side. You now need to go there and take a left. You will find a station and an elevator. You need to be on floor 1, so go to the left, and there will be a resting point.

From here, you need to go left to progress, but you can go to the right side for some items. Now, stay on the upper path and keep going left. Eventually, you will come across an elevator. Use it, then go ahead and slide through the left side. Now make your way to the top left, and there will be a resting site just ahead.
Now jump into the water to the right and make your way through. There will be plenty of oxygen inside, so you will easily make it to the other side. Climb the ladder, go up, and when you reach the top, slide to the left side and keep going in this direction.

Next, go down the steel ladder, drop down, and go left. Here, you will find a station, and a pig will be just ahead. Go left, and you will enter a new place, the Aquarium. However, you do not have the key to go inside, so it is time to find it.
How To Get The Aquarium Key

The Aquarium Key can be found in the Abandoned Mall in Possessor(s), so go back there. If you don’t know how to get there, I have explained it above, so simply do CTRL + F and search for Abandoned Mall. Once you are there, you need to climb all of the red roots to reach the top.
Once you are at the top, head right and continue moving forward. Eventually, you will reach the rooftop, and beneath that will be the red flesh. Now go ahead and keep making your way down. You will now be inside the water, or you can make your way from above. Jump down and go left to reach a resting site.
Destroy All The Failed Possessions

Keep going left, and eventually you will reach a jumping pad. Jump and make your way to the left. Keep going left and then destroy the glowing flesh. This is the place you will need to return to at the end. After destroying it, follow the flesh to the top, and instead of going left for now, go right.

Keep going right, and you will come across another flesh. These are failed possessions, so destroy them. After destroying it, go right and fall down from the right path to complete one of the objectives from Tens’ quest. After that, go back up and fall down from the left path. Go ahead and fall again to destroy another flesh.

Now use your Whip to pull the object from the left so you can climb up. Then go left, and you will see a katana symbol on the wall. Interact with that room, and you will find a Katana, a special weapon. Get out and keep going left. Now, this time, go to the left side of the top, and you will reach another failed possession. Destroy the flesh, defeat the enemy, and then go left.

Now go back to the main area where you destroyed the first one and go to the top from the left side. After reaching the top, head left and go into the water. Keep going left, then go up and to the right. Destroy the failed possession and return to the main hall for a boss fight.

How To Defeat Salvager

Salvager is the next main boss fight in Possessor(s). He has a lot of moves, but none of them are really that difficult to dodge. He also spawns many other monsters, and they can be a pain to deal with since Salvager almost never stops attacking. You also need to be careful when he spawns the skull in his hand and launches bombs throughout the arena.

After taking out around 50 percent of his health, a dialogue will start. When it ends, the fight will resume immediately. Do not worry, he will not get another phase or anything similar. You just need to deplete this remaining health bar. The attack you need to be most wary of is when he drops nukes on the ground.

They do not explode on impact, so make sure to dodge away as soon as possible. He always leaps toward you just like the shark monster, and after the dialogue, he does it twice in a row. After defeating him, go left and talk to Beverly, as she has consumed the demon completely. Now Beverly can upgrade your weapons, and after the conversation is over, she will also hand you the Aquarium Key.
That is pretty much it for the second walkthrough part of Possessor(s), which includes the Campus Hill, Sunken City, Rusted Dockyard, and Abandoned Mall.
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Obaid Ur Rehman is a lifelong gaming enthusiast with a deep passion for writing about video games. While he enjoys all genres, he specializes in RPGs and Soulslike titles. After tackling some of the toughest bosses, he often unwinds with a cozy game to relax. Outside of gaming, Obaid enjoys watching anime, bingeing TV series, or staying active at the gym.