# Coastal Encounters (Levels 17—20) *Source: Xanathar's Guide to Everything p. 93* **Coastal Encounters (Levels 17—20)** `dice: [](coastal-encounters-levels-1720-xge.md#^coastal-encounters-levels-1720)` | dice: d100 | Encounter | |------------|-----------| | 01-10 | 1 [roc](/Rules/Source/bestiary/monstrosity/roc-xmm.md) | | 11-20 | 1 [storm giant](/Rules/Source/bestiary/giant/storm-giant-xmm.md) | | 21-25 | An [adult bronze dragon](/Rules/Source/bestiary/dragon/adult-bronze-dragon-xmm.md) fighting an [adult blue dragon](/Rules/Source/bestiary/dragon/adult-blue-dragon-xmm.md) to the death | | 26-40 | `dice:2d4\|noform\|noparens\|avg` (`2d4`) [cyclopes](/Rules/Source/bestiary/giant/cyclops-sentry-xmm.md) | | 41-50 | 1 [adult bronze dragon](/Rules/Source/bestiary/dragon/adult-bronze-dragon-xmm.md) or 1 [adult blue dragon](/Rules/Source/bestiary/dragon/adult-blue-dragon-xmm.md) | | 51-60 | `dice:1d3\|noform\|noparens\|avg` (`1d3`) [djinni](/Rules/Source/bestiary/elemental/djinni-xmm.md) or `dice:1d3\|noform\|noparens\|avg` (`1d3`) [marids](/Rules/Source/bestiary/elemental/marid-xmm.md) | | 61-70 | 1 [dragon turtle](/Rules/Source/bestiary/dragon/dragon-turtle-xmm.md) | | 71-75 | `dice:1d3\|noform\|noparens\|avg` (`1d3`) [rocs](/Rules/Source/bestiary/monstrosity/roc-xmm.md) | | 76-80 | `dice:1d6+2\|noform\|noparens\|avg` (`1d6 + 2`) waterspouts that dance on the water before stopping abruptly | | 81-90 | `dice:1d6\|noform\|noparens\|avg` (`1d6`) [young blue dragons](/Rules/Source/bestiary/dragon/young-blue-dragon-xmm.md) | | 91-96 | 1 [ancient bronze dragon](/Rules/Source/bestiary/dragon/ancient-bronze-dragon-xmm.md) | | 97-99 | 1 [ancient blue dragon](/Rules/Source/bestiary/dragon/ancient-blue-dragon-xmm.md) | | 00 | `dice:1d3+1\|noform\|noparens\|avg` (`1d3 + 1`) [storm giants](/Rules/Source/bestiary/giant/storm-giant-xmm.md) | ^coastal-encounters-levels-1720