Warhammer 40,000: Boltgun 2 Guide | All Secrets and Purity Seals in Blood In The Water

Blood In The Water is one of the campaign branches in Warhammer 40,000: Boltgun 2. It contains three levels: Inundated By Chaos, Infested Depths, and Rigged To Blow. The route has 17 Secrets and three Purity Seals, one in each Level. 

Inundated By Chaos: All Secrets and Purity Seal

Inundated By Chaos contains four Secrets and one Purity Seal. Explore the suspended containers, outdoor ramps, lift shaft, and rooms around the colored-key doors to find every collectible. 

Secret 1: Suspended Container

1. Progress until you leave the starting interior and reach the outdoor area.

2. Take the first path on your left.

3. Look at the back of the nearby structure for a hidden skull.

4. Shoot the skull to activate the mechanism.

5. Find the suspended container and shoot it down.

6. Enter the container to collect the Secret.

Secret 2: Hidden Pickup Beneath the Outdoor Ramps

1. Continue through the outdoor area toward the Red Key.

2. Climb the ramps leading toward the key.

3. At the top, where the ramps meet, look over the edge.

4. Drop down to the hidden platform below.

5. Collect the Secret before returning to the main route.

Secret 3: Hidden Passage Beneath the Lift

1. Continue until you reach the lift on the route toward the Purple Key.

2. Find the console that controls the lift.

3. Activate the console while standing off the lift, allowing it to rise without you.

4. Drop into the exposed shaft beneath the lift.

5. Follow the lower passage to its end.

6. Collect the hidden pickup.

Secret 4: Hidden Room Near the Purple Key

1. Continue toward the Purple Key until you find a partially closed door with a collectible visible behind it.

2. Look beneath the nearby ramp for an open container.

3. Enter the container and shoot the skull hidden inside.

4. Return to the partially closed door.

5. Enter the newly accessible room and collect the Secret.

Purity Seal 1: Hidden Room Beside the Purple Door

1. Reach the large room near the Purple Door.

2. Climb to the upper walkway and search for a side doorway.

3. Look beneath the walkway on the right for a concealed panel.

4. Shoot the panel to unlock the side doorway.

5. Enter the room and collect the Purity Seal.

The Purity Seal is separate from the four Secrets, so check both counters before finishing the Level.

Infested Depths: All Secrets and Purity Seal

Infested Depths contains four Secrets and one Purity Seal. The collectibles are hidden behind skull switches, inside containers, and along the pipe network. 

Purity Seal 1: Above the Starting Platform

1. At the beginning of the Level, locate the blue panel that opens the door you must jump toward.

2. Before activating the panel and jumping, look up at the ceiling above your starting platform.

3. Find and shoot the hidden skull.

4. The Purity Seal drops through an opening above the platform.

5. Collect the Seal and the additional 50 Boltgun ammunition.

Secret 1: Machine Spirit Behind the Purple Door Wall

1. Progress until you reach the Purple Door and the blue panel needed to proceed.

2. Look beneath the two wooden planks forming a ramp near the panel.

3. Search between the boxes on your left for a hidden skull.

4. Shoot the skull to open the wall beside you.

5. Enter the concealed room and collect the Machine Spirit.

Secret 2: Grenade Boost in the Container

1. Continue toward the Purple Key and travel through the pipes.

2. After dropping out of the pipes, inspect the room before leaving.

3. Find the grate near the console that opens the door back to the previous room.

4. Shoot the skull concealed behind the grate.

5. Look for the container that opens in the same room.

6. Collect the Grenade Boost inside.

Secret 3: Boltgun Magazine in the Pipes

1. Pass through the Purple Door and enter the pipe system.

2. Immediately follow the left wall.

3. Continue along the left side rather than taking the right-hand route.

4. Follow the pipe network until you reach the Boltgun magazine.

5. Collect it before continuing.

Secret 4: Machine Spirit on Top of the Pipe

1. Continue until you activate the Yellow Key console.

2. Jump down the hole and travel through the pipe.

3. Drop into the small room blocked by metal bars.

4. Turn around and climb onto the pipe you just exited.

5. Collect the Machine Spirit upgrade from the top.

Remember to equip the weapon you want to upgrade before collecting the Machine Spirit. 

Rigged To Blow: All Secrets and Purity Seal

Rigged To Blow contains nine Secrets and one Purity Seal. This is the most collectible-heavy Level in Blood In The Water, featuring suspended containers, moving platforms, blue panels, and hidden rooms around the final arena. 

Secret 1: Machine Spirit in a Hanging Container

1. At the beginning of the Level, inspect the suspended container near your starting position.

2. Shoot the container to bring it down.

3. Enter it and collect the Machine Spirit.

Secret 2: Grenade Boost on the Lone Platform

1. In the first area, circle and climb the ramp toward the Red Door.

2. Look for an isolated platform floating away from the main route.

3. Dash from the ramp toward the platform.

4. Land on it and collect the Grenade Boost.

Time your dash carefully to avoid falling below the platform.

Secret 3: Boltgun Magazine Beside the Purple Door

1. Progress until you reach the building just before the Purple Door.

2. Before entering, circle the right side of the building.

3. Jump around the exterior to reach the hidden pickup.

4. Collect the Boltgun magazine.

Purity Seal 1: Moving Containers Near the Purple Door

1. At the Purple Door, jump onto the container on the left.

2. Dash toward the hanging container and jump onto it in midair.

3. Turn around and shoot the blue panel on the structure to move the container.

4. Jump onto the next container and shoot its panel to move it toward a third container.

5. Dash and jump across to the third container.

6. Shoot the final panel and jump across to the isolated platform.

7. Collect the Purity Seal and the additional 50 Boltgun ammunition.

This sequence requires accurate dashes and jumps. Make sure you can perform both before attempting the crossing.

Secret 4: Machine Spirit in the Lift Container

1. Continue toward the Purple Key and ride the lift upward.

2. At the top, look over the right side of the platform.

3. Find and shoot the blue panel.

4. Wait for the hanging container to move within reach.

5. Jump across, enter the container, and collect the Machine Spirit upgrade.

Secret 5: Machine Spirit on the Rooftop

1. Reach the Purple Key.

2. From the key's position, jump down onto the rooftop of the building below on your right.

3. Find and activate the console on the rooftop.

4. Enter the room that opens.

5. Collect the Machine Spirit.

Secret 6: Boltgun Magazine Under the Ramp

1. Open the Purple Door and ride the lift upward.

2. Exit and locate the ramp leading to the next floor.

3. Search beneath the ramp near the explosive barrels.

4. Enter the container hidden underneath.

5. Collect the Boltgun magazine.

Secret 7: Munitions Boost Behind the Circular Structure

1. Climb the ramp above the area containing Secret 6.

2. Reach the top and circle the back of the large circular structure.

3. Inspect the pipes for a destructible node.

4. Destroy the node to reveal a hole.

5. Drop into the hole and collect the Munitions Boost: Lock and Load!

Secret 8: Machine Spirit in the Boss Arena

1. Progress to the final boss arena.

2. Find the circular structure in the corner.

3. Go behind it and activate the console.

4. Wait for the hanging container to move around.

5. Jump into the container and collect the Machine Spirit.

Secret 9: Grenade Boost in the Building

1. After collecting Secret 8, drop down into the building beneath the hanging container.

2. Search the interior for a container holding a pickup.

3. Enter the container and collect the Grenade Boost.

4. Check your counter to confirm that you have collected all nine Secrets. 

Before finishing each Level, check that your counters show the following:

- Inundated By Chaos: 4/4 Secrets and 1/1 Purity Seal.

- Infested Depths: 4/4 Secrets and 1/1 Purity Seal.

- Rigged To Blow: 9/9 Secrets and 1/1 Purity Seal.

You can replay completed missions through Level Select if you miss any collectibles.

Final Thoughts

Blood In The Water contains 17 Secrets and three Purity Seals across its three levels. Inundated By Chaos has four Secrets, Infested Depths has four, and Rigged To Blow has nine.

Pay particular attention to hidden skull switches, suspended containers, and routes beneath lifts. These are the easiest-to-miss collectibles across the campaign branch.

FAQ

Q. How many Secrets are in Blood In The Water?

A. There are 17 Secrets across the three levels: four in Inundated By Chaos, four in Infested Depths, and nine in Rigged To Blow.

Q. How many Purity Seals are in Blood In The Water?

A. There are three Purity Seals, with one in each Level.

Q. Which level has the most Secrets?

A. Rigged To Blow has the most, with nine Secrets and one Purity Seal.

Q. Can you replay levels to collect missing items?

A. Yes. Use Level Select to revisit completed missions and collect any missing Secrets or Purity Seals.

Q. Do Machine Spirit upgrades affect every weapon?

A. Machine Spirit upgrades apply to the weapon you have equipped when you collect them, so switch to the weapon you want to upgrade first.