No way to know but to try.

And if it doesn't work out, the confined space will make it easy to kill everyone.

An advantage.

It's a tight fit, but they can ghost into the elevator without being heard over the clank of machinery. Lace tugs them into the back corner, and the elevator jerks and shudders to life.

The descent is faster than the elevator from the surface, but they're still going down for a rather long time. The three dwemer in the lift with them chatter during it, about rumors of war, about rumors of a great work, worries about whether the Skyrim alliance will see any benefit from Kagrenac's experiments or if his ambitions will get ahead of him, something about a diplomatic party from 'those northern leeches' being obnoxious... Perhaps if Kagrenac is right about what he's found, they won't have to deal with any more of those obnoxious surfacers, one jokes.

Their invisibility is running a bit low on time when the lift finally shudders to a stop, doors hissing open and letting the three dwemer out.

Elana quickly refreshes invisibility on Lace and herself while the dwemer are blocking the exit, and then they can follow them out.

Blackreach, or at least this part, is enormous. Glowing strands hang from the ceiling far above, and glowing mushrooms the size of trees grow along the path from the little receiving area around the elevator. The dwemer are active down here, distant mining operations barely visible, trains running along raised tracks carrying people and goods, farms of mushrooms and stranger things dotted here and there especially near the edges, automatons whirring about, an orange artificial sun shining in the distance - familiar from Lace's vision - over a mechanical city.

Their path runs quite a long way; the Tower of Mzark is on the outskirts of the city.

No wonder they keep it for themselves.

Elana and Lace won't be able to go the whole way by the main roads; Elana will need to recharge and refresh their cloaks.

It's hard to tell from the map and from looking, but there might be side roads out through the farms and the wilds in between clusters of people. Being away from people's safer, too, and might allow them to talk more than the main roads...

Multiple benefits, then.

Nice when that happens.

Navigating through the side roads quickly brings them to long stretches with no dwemer - and often no artificial lights - around, just the soft glow of the mushrooms lighting their path like a strange starlight. There's odd noises in the dark, the cries of strange animals and insects, but nothing attacks them. 

The city's busy, and hard to properly skirt around - the Tower itself is in a quieter district, though, removed from the rest of the city. The Tower's enormous as far as local buildings go, soaring higher than any building Elana's ever seen, and the entrance is tightly guarded by four dwemer.

Mm. Problematic.

Lace peers around. "I'm not sure we can beat them up without drawing attention..." she murmurs.

"No, I don't think we can. So. Wait for an unlikely distraction, cause one ourselves, or abandon stealth."

"Getting the Scroll might be hard if we abandon stealth... And getting out might be nearly impossible, unless we get creative... But if they're smart and well trained, they'll have protocols for handling even pretty unlikely distractions... Could do two pronged, one of us abandons stealth and provides a distraction for the other..."

"That carries a different set of risks, not least of which is meeting up again."

She nods. "Getting separated's a pretty major risk."

"I would prefer not to chance that."

She smiles a little and squeezes Elana's hand. "We'll stay together, then."

Smile.

"...I may have an idea for a distraction, if you are willing to donate magicka."

"Always."

"I am more familiar with the theory of Conjuration than the practice, and have no special friendships among the denizens of Oblivion, but with sufficient magicka I believe I can summon enough lesser creatures to cause considerable chaos."

"Oh, shiny. And enough aggressive ones might draw our guards into the fight..."

"Or at least allow us to take them out without undue disturbance, yes."

She nods. "It'll raise an alarm, which might make getting out hard - but if we lay low long enough that should go back down, or we might get lucky with an elevator."

"Or the tower might go all the way up to the surface. There are accounts of dwemer architecture scattered in the mountains."

"That'd be convenient, yeah."

"I think we can work it out either way."