DOOM: The Dark Ages: The Forsaken Plains Walkthrough - Rubies, Wraithstones, Demonic Essence, Codex Entries, Toys, Skins (2025)

The Forsaken Plains is the 10th Chapter in DOOM: The Dark Ages. This DOOM: The Dark Ages guide shares a The Forsaken Plains walkthrough, documenting all the Collectibles you can find.

Where Are All Collectibles Locations in The Forsaken Plains in DOOM: The Dark Ages?

There are 11 Collectibles to find in The Forsaken Plains. There are 3 Rubies, 1 Wraithstone, 3 Demonic Essence, 2 Codex Entries, 1 Toy, and 1 Weapon Skin. Below you will find all collectibles locations in The Forsaken Plains in the order you should encounter them.

Toy #1: Cyberdemon

• When you reach the large open area in this Chapter, begin by going west
• Drop down into the area below and continue forward to find a boost pad that'll launch you to the rock with the portal on it
• In front of the portal is the Toy

Demonic Essence #1: Health

• In the back-left corner of the open area, you'll get into an enemy encounter in front of one of the main Hell Cannons
• The Leader here drops the Demonic Essence once it's been defeated

Ruby #1

• Once you have the Secret Key from the structure on the western edge of the map, complete the Gore Nest in the southwest to unlock the Ruby

Ruby #2

• With the Secret Key, head for the lower section of the central map area and locate the locked gate
• Unlock the gate, defeat the enemies inside, and take the Ruby

Codex Entry #1: Prince Ahzrak

• With the Secret Key again, now go to the upper section of the central map area and unlock another gate
• Defeat the enemies you meet and then take the Codex Entry

Codex Entry #2: The Forsaken Plains

• From the Sentinel Shrine on the right side of the map, go down the corridor full of traps to the right
• When you come back outside, turn right again to find the Codex Entry at the end of the Gold

Ruby #3

• From the same Sentinel Shrine as used for Codex Entry #2, enter the corridor again, but don't go too far
• There's a trap in the first part where spikes will come crashing down on you in the centre
• When they're at the bottom, jump on top of them and ride the platform to the top
• You can jump over to a ledge at the top to get the Ruby

Demonic Essence #2: Armor

• This Leader spawns in the enemy encounter leading up to the Hell Cannon on the right side of the map

Weapon Skin #1: Nightmare (Cycler)

• After destroying the Hell Cannon on the right side of the map, the shield that stops you from getting this Weapon Skin will disappear
• After destroying it, you'll drop back down into the arena from before, and then just cross to the other side to find it

Demonic Essence #3: Ammo

• At the Gore Nest north of the Hell Cannon on the right side of the map, beat the Leader to get its Demonic Essence

Wraithstone #1

• After getting the Atlan Core as part of the main story, you'll gain access to the Wraithstone

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