Here is the full list of all 45 The Gate of Firmament achievements.
All Achievements Completed
All quests has finished
Single damage over 50000 in a battle
Upgrade all Characters to Lv.99
Over 100 hours Game time.
Defeat all map Boss
Battle Collection Completed
All Treasure Chest Opened
Finish Yu’s story
Forged all item
All Collection Completed
Forging recipes collection Completed
Upgrade a Miracle to level 10
Start second round
Chp.9 Completed
Finish Game in any Difficulty
Entity Collection Completed
Chp.8 Completed
Finish Fengyu’s story
Chp.7 Completed
Finish Ziqiao’s story
Finish Aqi’s story
Chp.6 Completed
Finish Muyue’s story
Having over 1,000,000 Bei.
Chp.5 Completed
Finish all missions from DOMO
Use Ziqiao's Talent to battle by 100 times
Chp.4 Completed
Used medicines over 1000 times in battle
Use Fengyu's Talent to battle by 100 times
Chp.3 Completed
Chp.2 Completed
Upgrade any skills in Magic to the highest level
Use Yu's Talent to enter battle by 100 times
At least Forging once
Use Muyue's Talent by 100 times
Revives companions once in a battle
Used Forging least once
Switch Battle Formations in battle
Completed Guardian setting for the first time
Learned any 4th level skills in Magic
Chp.1 Completed
Succeed set fire without discovering by Enemy Clan Warrior
Treasure Chest demolished