So there's a dungeon where ghost tentacles and an illithid astral projection comes out of the hallways to "get you"? Sign me in!
Elena watched her party having casual encounters with ancestral powers beyond mortal comprehension and thought: "I think they're managing pretty well. It's better I just stick with the plan and collect the samples before they're done", and proceed to move deeper into the dungeon to do the job they were tasked for before her friends remembered they weren't there for tourism.
It's hard being the only person in the party with the head in place. 😌
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I did a bit of experimentations with the spectres' transparency, trying different colors and levels of transparency before sticking with an actual "official version".