Visit the Lighthouse is a quest in Destiny 2: Curse of Osiris.
Tell Brother Vance about the fate of Saint-14.
- Return from the Infinite Forest and once more head into the Lighthouse.
- Talk with Brother Vance to inform him of the fate of Saint-14.
- He will reward you with the final piece of the Verse.
- Go over to the Infinite Forge and interact with it.
- This will reward you with the Perfect Paradox.