It takes Nolwenn a moment to spot the disturbance, but once she does, she immediately springs into action, setting down her paddle and casting a spell to conjure a protective barrier. "Hold on for a minute, then," she suggests confidently, starting to pull her robe over her head, "I'll swim over and have a look, see if it's safe."

Spoiler: OOC
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That's a Mage Armor