[The girl takes her seat without need of verbal direction, observing Khan's stoic features.]

Eridium is a type of crystal that emits a powerful energy. It can be processed into a liquid form which is commonly referred to as slag. [She has a simple, practiced tone, the kind usually associated with people who've been trained to give answers quickly and with detail] The energy Eridium produces can power certain alien devices from the race it is named after; The Eridians. [There's a pause]

It also boosts the powers of Sirens. Like myself.