Fate of the Gods IV: Guardian Ring

Step 1

Talk to Heimdall (arena_room 101 87).

Step 2

Talk to the Jotnar Snake (for_map108 127 107) and give her the following items:
600 Bradium
500 Amethyst
400 Blue Jewel
400 Opal
300 Yellow Jewel
False Gjalhorn

Step 3

Return to Heimdall (arena_room 101 87) and show him the False Gjalhorn.

He will then ask for the following items:
2000 Blood Thirst
1000 Jotnar skull
400 Mystic Horn
1 Gjallar
50 Bloody Coin

Step 4

Return to the Jotnar (for_map108 127 107) snake.

This will begin the Faceworm Raid which has drops required for the next step.

Step 5

Once you have completed the Faceworm Raid, speak to Heimdall (arena_room 101 87) again.