In a certain cosmological setting, the Great Future Star is a precious treasure that contains hope and infinite possibility, and that Future Stars are naught but fragments of that larger whole. If you can gather all six fragments together, you can summon the true Greater Star forth. As for what this greater object looks like or what it can be used for, that has gone unstated.
How To Get Future Star & Location Map
Lack materials in your world? Search for people who would like to help in this: Item Exchange Thread
Upon reaching the hint, activate it and ride the wind to get to the location of the Future Star.
Day 5 Future Star Location
Hint Location
Map
Location
Upon arriving at the hint location, you will fight waves of enemies. Defeat them and continue.
Future Star Location
Map
Location
After defeating the Shrooms, you will spot a Future Star at the island within the Oasis at the map. Use the Four-Leaf Sigil to fly towards it.
Day 4 Future Star Location
Map
Fallen Star Loc
From The Cliff, Use Electro On Floating Monsters
Use Electro on floating circular monsters to reveal the ground. Do this until you reach the location of Fallen Star. There will be no
Day 3 Future Star Location
Challenge Map
Fallen Star Loc
Activate The Broken Torches First
Use Electro on the flying object to activate the broken Torch. After fixing the torch, light it all with Pyro to reveal the Future Star.
Day 2 Future Star Location
Challenge Map
Fallen Star Loc
After defeating the enemies in the challenge location, an updraft will appear. Ride the updraft to find the Fallen Star.
Day 1 Future Star Location
Map
Location
Trail Start
Actual Location
Use A Special Gadget To Find Future Stars
During the Star-Seeker's Sojourn event, you will have a particular event gadget that indicates the location of Future Stars. Don't forget to equip the gadget.
Great Future Stars
In order to summon a Great Future Star, you will be required to collect six (6) Future Stars on the seventh (7th) day of the Star-Seeker's Sojourn event.
Anemo 
Hydro
Pyro
Electro
Dendro
Cryo
Geo
Anemo Traveler
Chasca
Jean
Kaedehara Kazuha
Mizuki
Varka
Venti
Wanderer
Xianyun
Xiao
Childe
Columbina
Furina
Hydro Traveler
Ayato
Mona
Mualani
Neuvillette
Nilou
Kokomi
Sigewinne
Yelan
Albedo
Arataki Itto
Chiori
Geo Traveler
Linnea
Navia
Xilonen
Zhongli
Zibai
Clorinde
Cyno
Electro Traveler
Flins
Ineffa
Keqing
Raiden Shogun
Varesa
Yae Miko
Dendro
Alhaitham
Baizhu
Dendro Traveler
Emilie
Kinich
Lauma
Nahida
Nefer
Tighnari
Arlecchino
Dehya
Diluc
Durin
Hu Tao
Klee
Lyney
Mavuika
Nicole
Pyro Traveler
Yoimiya
Aloy
Citlali
Escoffier
Eula
Ganyu
Kamisato Ayaka
Lohen
Qiqi
Sandrone
Shenhe
Skirk
Wriothesley
Ifa
Jahoda
Lan Yan
Lynette
Prune
Sayu
Shikanoin Heizou
Sucrose
Aino
Barbara
Candace
Dahlia
Xingqiu
Gorou
Illuga
Kachina
Ningguang
Noelle
Yun Jin
Beidou
Dori
Fischl
Iansan
Kujou Sara
Kuki Shinobu
Lisa
Ororon
Razor
Sethos
Collei
Kaveh
Kirara
Yaoyao
Amber
Bennett
Chevreuse
Gaming
Thoma
Xiangling
Xinyan
Yanfei
Charlotte
Chongyun
Diona
Freminet
Kaeya
Layla
Rosaria
Alyosha
Danica
Mitya
Noy
Odette
Tsaritsa
Valeriy
Vesna
Vodyanitsa
Sword
Claymore
Polearm
Catalyst
Bow
Sandrone
