Check this Constellation Guide for Genshin Impact. Learn how to level up constellation, unlock constellation, constellation activation, constellation for traveler and main character.
Table of Contents
How To Unlock Constellations?
Stella Fortuna Needed To Unlock
Every character, other than the main character or Traveler, has its own unique Stella Fortuna. This item is required to unlock the abilities in the Character's Constelation.
Check Out The Dupes Article HereStella Fortuna Can Be Obtained Through Wishes

When you got a duplicate character when pulling for gacha, that character will automatically be converted to Stella Fortuna. Take note however that the converted Stella Fortuna can only be used to the duplicate character.
Stella Fortuna Can Be Bought At Paimon's Shop

Razor and Amber's Stella Fortuna can be bought at Paimon's Shop in exchange for Masterless Starglitter. You can only buy them once a month.
Unlock Traveler's Constellations
Two Constellations
The Main Character has two constellations for each of his elements. Separate items are needed to be collected to unlock its constellations.
For Anemo - Memory Of Roving Gales

To unlock Constellations of Traveler synched in Anemo, you must collect Memory Of Roving Gales. It can be obtained using the following method:
- Buy it at the Souvenir Shop in Mondstadt
- Clear Story Quests
- Raise Adventure Rank
Buy It At The Souvenir Shop At Mondstadt

You can buy one Memory of Roving Gales at the Souvenir Shop at Mondstadt in exchange of Anemo Sigil. Anemo Sigil often drops from treasure chests in the area protected by Anemo God.
Clear Story Quests

You will receive 2 Memory Of Roving Gales by clearing the Archon story quests. Once for clearing Prologue: Act II and another one for Prologue: Act III.
Raise Adventure Rank

You can receive Memory Of Roving Gales by raising your Adventure rank to a certain level. Talk to Katherine of Adventurer's Guild to check and claim your rewards.
For Geo - Memory of Immovable Crystals

To unlock Constellations of Traveler synched in Geo, you must collect Memory Of Immovable Crystals. It can be obtained using the following method:
- Buy it at the Souvenir Shop in Liyue Harbor
- Clear Story Quests
- Raise Adventure Rank
Buy It At The Souvenir Shop At Liyue Harbor

You can buy four (4) Memory of Immovable Crystals at the Souvenir Shop at Mondstadt in exchange of Geo Sigil. Geo Sigil can be collected by opening treasure chests in the area protected by Geo God.
Follow Main Quests
You can get a Geo Sigil by completing Main Quests. Complete the Main Quests as soon as it is unlocked to be able to get Memory of Immovable Crystal faster.
What Happens When You Unlock?
Strengthen Skill Moves Or Elemental Burst Of Characters

Leveling the Constellation will give an additional effect or status buff to the character's skill. This makes the skills increases the uses of the skill or make it more powerful.
Gives Passive Skills

Upgrading also gives characters Passive skills that helps them activate their skills faster or support their teammates more effectively.