Now that Ramuh has accepted you as the Twelveswood's champion of peace, the serpent lieutentant bids you to report to the Elder Seedseer.
Requirements
This quest is available if you have completed the quest Levin an Impression.
Starting the Quest
Talk to the Serpent Lieutenant in Little Solace in the East Shroud to begin the quest.
Speak with Kan-E-Senna
You can go west to the Ferry Docks and talk to Muraudel to return to Gridania, or just teleport to Gridania. Use an aetheryte to go to the Conjurer's Guild, then go to the quest icon on the map and talk to the Silent Conjurer, and say Yes to proceed to the Lotus Stand. Then go northwest to the quest icon on the map and talk to Kan-E-Senna. There will be a cutscene.
Speak with Papalymo
Talk to Papalymo, who is nearby.
Speak with Minfilia
Go to Revenant's Toll in Mor Dhona and go into the building south of the Aetheryte, and enter the Rising Stones. Go into the Solar and talk to Minfilia to complete the quest. There will be a cutscene. This one is important, so it is recommended to watch it either now or via the Unending Journey in an inn room.
Next Main Scenario Quest
After you complete the quest, talk to Minfilia to accept the next quest: Guardian of Eorzea. There will be a cutscene.