This guide shows how to get the 3 Star-Shaped Gems in the Shirikoro Peak underground of Tsurumi Island. To reach the gem locations, you will need the ‘Peculiar Pinion‘ gadget, which you will get during ‘Octave of the Maushiro‘ World Quest.
You have to use the Star-Shaped Gems on three Murals and they will throw out 3 Electro Seelie. Chasing these Seelie to their court gives you a Luxurious Chest.
Star-Shaped Gem 1/3
Jump to the Shirikoro Peak underground then move ahead. Before going through the first door, turn right as shown in the second picture below. As you turn right, you can see a Thunderbird picture on the wall. Use the ‘Peculiar Pinion‘ gadget while standing in front of the wall. This will make the wall disappear, revealing a secret room. Go inside the room and open the exquisite chest inside to get a Star-Shaped Gem.
Star-Shaped Gem 2/3
On the wall in front of the door, you will see another Thunderbird picture as shown below. Use the ‘Peculiar Pinion‘ gadget while standing in front of the wall. This will make the wall disappear, revealing a secret room. Go inside the room and open the exquisite chest inside to get a Star-Shaped Gem.
Star-Shaped Gem 3/3
This time go left before going through the first door.
Then turn left and go down. here you will see a wall with a Thunderbird picture on it. Use the ‘Peculiar Pinion‘ gadget in front of the wall. This will make the wall disappear revealing a secret room.
Inside the secret room, you will find a few Lightning strike probes. Climb the wall here to reach the upper platfrom as shown below. Here you will find an exquisite chest containing a Star-Shaped Gem.
Use the Star-Shaped Gem on Murals
Once you have the three Star-Shaped Gems, go through the first door. In this room, you can see a room on the right side with three Murals. Use the gems on the murals. This will make 3 Electro Seelie Fly from the Murals.
Electro Seelie 1/3
Jump east from the Shirikoro Peak fast travel point and you can the Electro Seelie on your way down as shown below. Chase the Seelie to its court in Oina Beach.
Electro Seelie 2/3
This Seelie is at the highlighted location north of the Ceremonial Site. Chase the Seelie to its court in Oina Beach.
Electro Seelie 3/3
This Seelie is at the top of Mt Kanna as shown below. Chase the Seelie to its court in Oina Beach.
Luxurious Chest
When you have chased all the three Electro Seelie to their court in the Oina beach, a Luxurious Chest will spawn as shown below.
