From The Heretic Knowledge Vault
She and her twin brother Burton, known as "Buddy," are first seen in Saus, conducting surveillance on PC Argus as he and Brother Miguel try to figure out what became of the enigmatic Father Egbert. At first this doesn't seem like a big deal; the Arganials, not named at this point, simply have Argus casually staked out as he wanders around downtown Saus, and again as he joins Miguel at the Reformed temple on the outskirts of town. When their uncle "Arkie" shows up, masquerading as Gordon Grumiel (the last person known to have seen Egbert before he disappeared after gating into Saus), he calls them "Leilani" and "Leo" and tries unsuccessfully to get Miguel and Argus to take them along on their quest. After this encounter, they aren't seen again for a while.
Liz next shows up in the countryside outside the small town of Heamish, as she and her brother and uncle cross a pass at the west end of the rock formation known as the Sleeping Sexton. As it happens, Argus has holed up in a magical foxhole on this pass as Miguel and Sister Rose go to seek help from some military friends north of the Sleeping Sexton, and we learn that Liz has enough magical skills to detect his concealment, although the Arganials leave Argus alone. This is the first time that Liz's and Buddy's actual names are used, and it's the last time we see them alive, apart from a distant view by Egbert somewhere to the south that's mentioned as a vignette.
Ms. Arganial makes the sad transition from "Living" to "Living Impaired," as do her relatives, as a result of an unfortunate encounter in the weird ghost town of Centoriel. This happens offstage, but we know that it leads to the male Arganials being messily incinerated at the site. Liz meets an even more unfortunate end than the other two, as a teleport trap whisks her off to the Malletarian compound in Farrel, where she becomes the featured attraction at a grisly ritual involving human sacrifice. Even though the Arganials appear to have been among the Bad Guys in the game (for example, they were almost certainly the arsonists behind a fatal fire at the Millenarian temple in Saus), she probably didn't deserve quite this ugly a fate. However, it's a rough world out there.
Former roommate of Rebekah Codoin, herself an NPC of some significance (if brief appearance) in connection with the mysterious Father Egbert, as well as fellow sufferer of a highly unpleasant death.