Kaltherz is a prison island located southeast of the Sushiro continent in the Sceptrum Ocean. It is an island where prisoners are brought and sold as labourers. There are a total of 3 Mokoko seeds that you can collect on this island.
Kalthertz Mokoko Seed Locations – Lost Ark
The first seed is located on the east side of the map towards the edge. You will be able to find it after you turn left from the gate marked above.
The second seed can be found on the southeast side of the map. You need to go across the steel gate to access the hidden path towards the prison.
Once there you will find the second Mokoko seed in front of the first cell near the fire brazier.
Finally, the third seed can be collected in the northeast portion of the same prison area. You will be able to locate it at the boundary wall near the third prison cell.
That’s it, you have now successfully collected all three seeds found at Kalthertz Island.You can now trade them to get redeem some cool rewards!