Redspire Moarsman Fort
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Guard Liaza (40.8N 83.0W in Redspire) tells of a moarsman fort nearby on the beach. Located at 40.7N 86.4W. The fort is filled with Tainted Pallid Moarsmen.
Killing all the Moarsmen in the fort causes a few Coral Encrusted Chests to spawn at the top of the Temple. They contain a Tiny Tainted Egg, use of the chest is on a 6 day timer.
The chests disappear when the Moarsmen respawn after a couple minutes. See Moarsmen on the Shores for more details.