They are handed out as part of the Low Tide reward, but if you'd like to know them before then (click "view rest", this is the only way I can really spoiler it.):
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.
They are handed out as part of the Low Tide reward, but if you'd like to know them before then (click "view rest", this is the only way I can really spoiler it.):
.
.
.
.
.
.
.
.
.