Entrance to the Eracus Temple Cavern is barred by an Aetheric Field. You can only pass with Brigade General Castor’s permission. Prove yourself by defeating Dune Basilisks and Stoneshell Ksellids.
Step 1. Kill monsters for the right to enter the Eracus Temple Cavern.
Step 2. Report to CastorThe Brigade General of the Golden Bough Legion stationed at Golden Bough Garrison in Eltnen. He is very proud of himself..