Complete Atlas passive tree points to unlock more map device scarab slots
Allocate the Atlas passives that grant additional Scarab slots
Progress your Atlas to gain more passive points
Use the map device in your hideout to check available Scarab slots
Increase your Atlas completion by running more maps
Complete Atlas objectives and bonus objectives for more passive points
Use the Maven, Searing Exarch, Eater of Worlds, and other Atlas progression systems to earn more points
Respec Atlas passives if you need to path into the Scarab slot nodes
Check for league-specific or patch-specific Atlas changes that affect Scarab slot availability