How the price adds up
Everything a card does is worth points, and each point costs half an ember.
Cost at each tier
This card is so cheap that no tier would lower its price, so it can't be upgraded. It always costs 1.
Other Lumen cards
The First Watch
The Radiant Stag-King
The Sunlit Aerie
The Sunward March
Vixen of Nine Lanterns
Waker of the Dawn
See all 38 on the Lumen page.