Death Chamber (デスチェインバー, Desu Cheinbā^?) is Knuckles' penultimate stage and the twelfth overall stage of the Hero story in Sonic Adventure 2 and Sonic Adventure 2: Battle.

Description

This stage takes place deep within Dr. Eggman's pyramid base, filled with bonfires, Badniks, Boos, and a large machine in the center.

Story

After locating the entrance to Dr. Eggman's pyramid base, Sonic and co. find that the door to a shuttle that will take them to the Space Colony ARK, is locked. Sonic persuades Knuckles to find the three Gate keys to the door so they may proceed.

Gameplay

This level, like some others in the game, has a large number of ghost-based enemies in it. It features many timed doors which can be temporarily opened by flipping an Hourglass. There are also paintings which Knuckles can Dig through.

Simplistic maps can be found on some of the walls, and depict the various sections of the stage in the same colors those locations are actually tinted. The player's current location is denoted by a glowing white dot.

Overview

1st Mission: Find the 3 Gate keys!

The primary goal of this level is slightly different from Knuckles' other stages. Instead of finding Master Emerald shards, he is looking for three Gate keys which are scattered at random locations. King Boom Boo is the boss following this stage, and the Egg Golem is faced by Sonic immediately after that.

2nd Mission: Collect 100 rings!

After grabbing the six Rings in front of Knuckles at the beginning, the player should head for the blue section of the stage. They can play the Mystic Melody at the Ancient Ruin to make fourteen Rings appear. From there, they should keep traveling toward the blue section, where a Magnetic Shield will be in the room just after the metallic hallway. By arming Knuckles with this power-up, collecting the remainder of the Rings will be much easier.

3rd Mission: Find the lost Chao!

The Air Necklace and the Mystic Melody are required to complete this stage under normal circumstances. The player should play the Mystic Melody atop the Ancient Ruin on the floor of the Pyramid Core and then dive into the water when the hatch opens. As they swim down, they should see a closed door. They must swim to the other side of the circular room while avoiding the two revolving iron balls and find the Hourglass, flip it, then quickly go through the door before it closes. Once the player has made it through, they should swim across one hallway where two E-1000 robots are firing, then another hallway lined with Boos. Once they enter the large cavern, they should swim up almost immediately to emerge from the water. Due to the lack of air bubbles in this entire underwater section, and that Knuckles cannot traverse this route within the usual underwater time limit, the Air Necklace is required.

The player should climb out to see an Hourglass in the alcove above. This opens the door directly above it, and behind that door is the lost Chao. The player will not be able to Climb straight up to the door, so they must hit the Hourglass and work their way upwards before the door closes.

4th Mission: Find the 3 Keys within 5 minutes 0 seconds!

Mission 4 is the same as Mission 1, now with a time limit of 5 minutes to collect all three keys. As Death Chamber is confusing due to its large layout, the player should not be afraid to use a Hint Box for hints.

Last Mission: Clear Hard mode!

The three Gate keys needed to complete this stage are found in pre-set locations, and are as follows:

1. To find the first key, the player should begin by Digging through the painting found in the hallway between the red and green sections of the stage. They will then enter a large room with an Hourglass on the opposite side. The player then has to flip the Hourglass to make platforms slide out from the left and right-hand walls, and should then jump onto one of them and smash the Steel Containers to reveal another Hourglass. Next, they must flip that Hourglass to make the large hatch in the center of the room open. Now, the player should quickly run down and Dig into the dirt there to reveal the key.
2. The next two keys require the player to obtain the Air Necklace and the Mystic Melody as they will be required to enter the same submerged hallway the player goes through in finding the lost Chao in Mission 3. Once they reach the large cavern, however, they must not Swim up to the room above, and instead go straight ahead where they will find the second key behind an altar. However, be cautious as there are Unidus hidden there as well.
3. After the second key, the player must swim up into the room where they found the lost Chao. A giant Weight should fall on the player and close off the entrance to the water. First, the player must Climb straight up and hit a Ball Switch to raise the Weight again. After that, they have to flip the Hourglass in the alcove below and quickly dive back down. For a brief time, the key will be revealed in an alcove on the second step from the bottom.

Level Up Item

The Level Up Item in the Death Chamber is the Hammer Gloves. These allow Knuckles to break open Steel Containers. This Level Up Item can be found in a hall off from the first room, behind a wall of Wooden Containers.

Chao Container locations

1. In the blue area, the first Chao Container can be found in an alcove located in the room accessible by Digging through the painting.
2. In the green area, the second Chao Container can be found in the last room.
3. In the Pyramid core area, the third Chao Container can be found on the lowest level, below the platform of the red area entrance.

Animals

• Gorilla
• Rabbit
• Skeleton Dog
• Skunk
• Tiger

Big the Cat sighting

In Death Chamber, Big is normally seen beyond the grating of the machine labeled "E-01", from the red room's exit position. In the Hard Mode version of the stage, he has been moved slightly to the left from his previous position and downward.

Ranking

• 1st Mission
• 2nd Mission
• 3rd Mission
• 4th Mission
• Last Mission

Score	Rank
12,000
10,000
8,000
6,000
<6,000

Time	Rank
2:30
3:00
3:30
4:30
>4:30

Time	Rank
2:00
2:30
3:00
4:00
>4:00

Score	Rank
12,000
10,000
8,000
6,000
<6,000

Score	Rank
12,000
11,000
10,000
8,000
<8,000

Trivia

• Despite being inside Dr. Eggman's Hidden Base, the Egg Beetle is not featured in this level, unlike in Rouge's counterpart.
• Using precise quick movements and the pushing of the thin bars attached to the rotating spiked balls, it is possible to reach the Chao's room without the Air Necklace.
• At the first room where the player spawns in at the beginning of the stage, if the player jumps up to the alcove above them with the golden cube box, it is possible for Knuckles to jump or use Spiral Upper to then clip through the small alcove, then be able to travel out of bounds. This has useful applications, such as allowing the player to bypass the near entirety of the underwater passage that the player would need to traverse through to complete Mission 3 and Mission 5 (hence without needing the Air Necklace nor the Mystic Melody). It also allows Mission 5 to be completed under 30 seconds, if the player follows the correct route to skip all of the puzzles required to get the first and the third keys.

Music

Stage map

Videos

• 1st Mission
• 2nd Mission
• 3rd Mission
• 4th Mission
• Last Mission