Pearl Abyss announced today that the new Ancient Ruins content "First Prophet's Room" is now available in&nbsp;<i>Black Desert Mobile</i>. Adventurers can now make new discoveries and earn precious treasures.&nbsp;. The Ancient Ruins is a co-op boss raid mode in which Adventurers are tasked with defeating the fierce Kabuamilles boss. The First Prophet's Room, a new stage of this battle mode, is a special room created by the prophet and guarded by Kabuamilles. Adventurers are highly encouraged to