| Name | Invocation: Mariner (UA) |
| Level | 0 |
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| Classes | Eldritch Invocations |
| Text | As long as you are not wearing heavy armor or using a shield, you have a swimming speed and a climbing speed equal to your normal speed, and you gain a +1 bonus to AC. Source: Unearthed Arcana: Waterborne Adventures p. 3 |