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