The Echoes of the Past mission in Starfield is an epic prison block crawl, that can take you a couple of hours to trawl through if you are roleplaying, being stealthy, and generally feeling like you are in a horror movie.
The strongest tip I can give you for this mission is to bring plenty of digipicks! There are seemingly endless loot crates and doors to open requiring digipicking to unlock, so you’re going to need to stock up on a boatload of these before you head down to the planet.
I recommend also knocking down your encumbrance levels to as low as you can possibly go because there is just so much stuff to pick up. I literally left all my big looting till the penultimate end of the mission, and I went about 4X over my encumbrance limit by the end, which is not ideal and drags the end of the mission somewhat.
[…] Whilst traversing The Lock with Mathis Castillo on behalf of Crimson Fleet leader Delgado during the mission Echoes of the Past you’ll enter an area will cell blocks, as you are basically in a prison structure. Each cell area has a release switch which needs to be flipped to unlock that cell block’s jail cells – and to preserve your precious digipicks! […]