Hidden Caches, Eos

It's inside the additional Remnant vault, in the same room where the gravity well is.

Its protected by Remnant decryption puzzle and you need to find and scan four glyphs scattered throughout the vault to solve it. The first glyph is on the wall behind the hidden cache.

The second glyph.

The third glyph.

The fourth glyph.

Correct Remnant decryption puzzle solution.

Start here, use jump + evade combo.

It's inside the Remnant vault.