From publisher blurb: When the Lunar Research 1 facility suddenly goes dark out in the void of the astral plane, the automated failsafe sends out a distress beacon with a final plea for help - travel to the facility and purge it before the contamination spreads beyond their walls. Will you brave the arcane research facility on the edge of the outer planes in Lunar Signal Lost? Lunar Signal Lost is a Fifth Edition adventure designed for four to six characters of 7th to 11th level and is optimized for four characters with an average party level (APL) of 9. This adventure contains 4 new monsters, a custom battlemap, 3 new magic items and 2 musical tracks to bring your session to life!