Zenless Zone Zero: How to Collect HIA Commemorative Coins Harbor in Port Elpis for Great Rewards
In the captivating world of Zenless Zone Zero, there's a unique NPC named Sage in a Barrel that you can interact with by simply kicking the trash can. Just like other Sage in a Barrel NPCs in the game, the one located in Port Elpis has a particular desire for a special coin known as the HIA Commemorative Coins Harbor.
Proxies in the game can collect these HIA Coins and exchange them with the Sage in a Barrel to earn a variety of in-game rewards such as Dennies, Senior Investigator Log, and more. The process of obtaining these coins involves talking to specific NPCs and investigating certain items at the right moments.
If you find yourself in a situation where you've collected one coin and are on the hunt for the next, but the coin doesn't seem to appear in the expected location, a handy tip is to teleport out of Port Elpis and then return. This simple action will reset the map and might make the coin available.
Port Elpis HIA Commemorative Coins Harbor (Morning)

During the morning hours in Port Elpis, there are 3 coins waiting to be claimed. Proxies can collect them through the following interactions:
First, teleport to Officer Mewmew in Port Elpis in Zenless Zone Zero and make your way to Port 4. Here, you'll find an NPC named Mitsuharu. Engage in conversation with him until the end of the dialogue, and he will reward you with the first HIA Commemorative Coin: Harbor.
For the second coin, head towards the lighthouse above. Standing in front of the building is an old man NPC named McDunn. After interacting with him, proceed to the Sea God Statue located behind Officer Mewmew in Port Elpis to fulfill his request. Once you've done that, return to McDunn to receive the second HIA Coin.
The third coin comes from Grandpa Gu, who can be found fishing at the dock. Interact with Grandpa Gu, and he will ask Proxies to deliver the coin to Feng, who is on the opposite side of him. Follow his instructions, and you'll obtain the third Commemorative Coin in Zenless Zone Zero.
Port Elpis HIA Commemorative Coins Harbor (Afternoon)

Before you start collecting the afternoon coins, make sure to change the in-game time to afternoon. Here's how you can get another 3 HIA Commemorative Coin Harbor:
Teleport to the Sage in a Barrel in Port Elpis and look to the right side of the area. You'll spot a small stall. Strike up a conversation with Lanza, who is sitting alone there, and he will present you with a HIA Coin.
Next, head to the Port Promenade teleportation icon. Once there, turn around, and you'll find a sailor named Dennis at the back. Listen patiently as he rants about mermaids until the end of his dialogue. As a reward, he will give Proxies the fifth Port Elpis coin.
After that, make your way to the Fried Fries stall. In front of the stall, you'll find Teppei. Accompany him while he talks to Phee, and you'll be given the coin for free.
Port Elpis HIA Commemorative Coins Harbor (Evening)

During the evening in Port Elpis, players can only obtain 2 HIA Commemorative Coins. Here's the step - by - step guide on how to get them:
Teleport to Officer Mewmew and walk straight ahead until you reach Muqing, who is standing in front of the statue. Ask her about the coin, and she will mention that she needs to think about it first before walking away. Proxies should then switch the in-game time to the next evening and interact with Muqing again. This time, she will give you the coin.
Go to the entrance of Port Promenade and talk to Nachi, who is squatting in front of a cat. After that, interact with the cat in front of the warehouse, and you'll get the eighth HIA Coin.
Port Elpis HIA Commemorative Coins Harbor (Midnight)

The final two Port Elpis Coins in Zenless Zone Zero can be found at midnight. Here's where to look:
Head to the dock towards the interactable Lifebuoy. A small Bangboo named Gully will appear and present you with the next coin.
The last HIA Commemorative Coin Harbor can be obtained from the Mysterious Guy near the lighthouse. When Proxies talk to him for the first time, he will mention the coin but won't give it away. Then, change the in-game time to the next midnight and visit him again. This time, he will hand over the coin.
Now that you've managed to obtain all 10 HIA Commemorative Coins Harbor, head over to the Sage in a Barrel to exchange them for a range of exciting rewards in Zenless Zone Zero.
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