There are a total of 9 keys, 3 in each area, all are located in Dark Aether. They resemble floating gyroscopes with crimson jewels at their centers.
Dark Temple Keys do not count toward the game's item percentage.
|Dark Agon Temple 1 2 3 | Dark Torvus Temple 1 2 3 | Ing Hive Temple 1 2 3|
Metroid Prime 2: Echoes hint systemEdit
"Dark temple door is locked.
Three keys are required to enter.
Recover temple key."
Dark Temple Key
Metroid Prime 2: Echoes
This Dark Temple Key is one of three needed to open the Dark Temple of Agon / Torvus / the Ing Hive.
You must collect all three keys to gain access to Agon's / Torvus' / the Ing Hive's Dark Temple.
|Power Suit||Energy Tank • Aeion Tank • Reserve Tank • Energy Part • E-Recovery Tank • Power Bomb Expansion|
|Beam||Universal Ammunition Expansion • Beam Ammo Expansion • Accel Charge • Ship Grapple Expansion|
|Missile||Missile Expansion • Super Missile Tank • Ship Missile Expansion|
|Keys||Chozo Artifact • Alimbic Artifact • Cartograph Artifact • Attameter Artifact • Binary Subscripture • Octolith • Dark Temple Key • Sky Temple Key • Energy Cell|