Altar Gate is the 7th shrine in Mt. Zhenwu region of Wuchang: Fallen Feathers.
Collectibles Overview:
How to reach Altar Gate: on story path, shortly after Pavilion of Knowledge, just before the gate to main boss “Fierce Tiger”.
Mt. Zhenwu – Altar Gate
Sacred Token (Quest Item)
On the steps leading to the door immediately after the shrine. Can be given to Magalhaes at the Refugee camp. Gives an Arinca Ointment.
NPC: Buglio
Lying on the ground at the top of the steps before the door, talk to him.
NPC: Xuanyangzi
Return to the Reverent Temple to give him Zhenwu Temple Scriptures. Gives either Red Blood (Unique Item) or 3x Special Pill.
NPC: Magalhaes
Fast travel back to Refugee Camp and give the Sacred Token to Magalhaes.
Boss: Fierce Tiger / Sovereign – Zhang Xianzhong (Boss Guide)
Through the gate at the top of the steps. Call Huang Jian’e and Nian Suichang with the bone whistle to help you, if you interacted with them at every opportunity.
Rewards: Aurum Ancient Chisel (Manna Vase Upgrade Item), Tortoise Ingot (Tao Qing Item), Spell: Echo of Zhang Xianzhong, 
Fierce Tiger – Zhang Xianzhong
Shrine: Mt. Zhenwu – Zhenwu Altar
Appears in the boss area after it is defeated.
NEXT: Zhenwu Altar
For an overview of all regions and collectibles by type, refer to Wuchang: Fallen Feathers Collectible Guide.
Ambruzzi says
Hey, NPC can Die on battle?
Paul says
Yes, if they die during the boss fight, the quest will still progress
DS says
To anyone wondering the same: I had multiple NPC die in a battle and it didn’t affect anything. They act as if there was not battle at all.
Benjamien says
My npc recovered to full health on phase 2