Abyssal Deadspace is a private pocket you enter using an Abyssal filament. Once you’re in, you’re locked into a run with three rooms (three “pockets”) to clear. It’s instanced content, so you’re not getting random third parties warping in mid-room, but you’re still on a clock the whole time.
You get 20 minutes total to clear all three rooms. That’s not “per room,” it’s the entire run. If you don’t finish in time, the run ends badly for you. So your fits and your decision-making are built around speed, survival, and not wasting time doing loot goblin behavior when you should be moving.
People run Abyssals because the rewards can be worth it and the content is consistent: enter, clear three rooms, extract, repeat. The tradeoff is you’re balancing damage, tank, and mobility under pressure, with no “pause” button and no stalling. It’s great for players who want structured PvE that isn’t just orbiting a rock for 45 minutes pretending it’s gameplay.