# Desert Encounters (Levels 17—20) *Source: Xanathar's Guide to Everything p. 95* **Desert Encounters (Levels 17—20)** `dice: [](desert-encounters-levels-1720-xge.md#^desert-encounters-levels-1720)` | dice: d100 | Encounter | |------------|-----------| | 01-05 | 1 [adult brass dragon](/Rules/Source/bestiary/dragon/adult-brass-dragon-xmm.md) | | 06-10 | `dice:1d2\|noform\|noparens\|avg` (`1d2`) [yuan-ti abominations](/Rules/Source/bestiary/monstrosity/yuan-ti-abomination-xmm.md) with `dice:2d10+5\|noform\|noparens\|avg` (`2d10 + 5`) [yuan-ti malisons](/Rules/Source/bestiary/monstrosity/yuan-ti-malison-type-1-xmm.md) and `dice:4d6+6\|noform\|noparens\|avg` (`4d6 + 6`) [yuan-ti purebloods](/Rules/Source/bestiary/monstrosity/yuan-ti-infiltrator-xmm.md) | | 11-14 | `dice:1d6+2\|noform\|noparens\|avg` (`1d6 + 2`) [medusas](/Rules/Source/bestiary/monstrosity/medusa-xmm.md) | | 15-18 | `dice:1d2\|noform\|noparens\|avg` (`1d2`) [purple worms](/Rules/Source/bestiary/monstrosity/purple-worm-xmm.md) | | 19-22 | `dice:2d4\|noform\|noparens\|avg` (`2d4`) [cyclopes](/Rules/Source/bestiary/giant/cyclops-sentry-xmm.md) | | 23-25 | An abandoned city made from white marble, empty during the day. At night, harmless apparitions roam the streets, replaying the final moments of their lives. | | 26-30 | `dice:1d3\|noform\|noparens\|avg` (`1d3`) [young blue dragons](/Rules/Source/bestiary/dragon/young-blue-dragon-xmm.md) | | 31-35 | 1 [mummy lord](/Rules/Source/bestiary/undead/mummy-lord-xmm.md) | | 36-40 | `dice:1d4\|noform\|noparens\|avg` (`1d4`) hours of extreme heat (see chapter 5 of the *Dungeon Master's Guide*) | | 41-50 | `dice:1d3\|noform\|noparens\|avg` (`1d3`) [guardian nagas](/Rules/Source/bestiary/celestial/guardian-naga-xmm.md) | | 51-60 | `dice:1d4\|noform\|noparens\|avg` (`1d4`) [efreet](/Rules/Source/bestiary/elemental/efreeti-xmm.md) | | 61-63 | An old signpost identifying a single destination, called Pazar | | 64-72 | `dice:1d4\|noform\|noparens\|avg` (`1d4`) [rocs](/Rules/Source/bestiary/monstrosity/roc-xmm.md) | | 73-80 | `dice:1d3\|noform\|noparens\|avg` (`1d3`) [gynosphinxes](/Rules/Source/bestiary/celestial/sphinx-of-lore-xmm.md) | | 81-85 | 1 [adult blue dracolich](/Rules/Source/bestiary/undead/dracolich-xmm.md) | | 86-90 | 1 [androsphinx](/Rules/Source/bestiary/celestial/sphinx-of-valor-xmm.md) | | 91-96 | 1 [ancient brass dragon](/Rules/Source/bestiary/dragon/ancient-brass-dragon-xmm.md) | | 97-99 | 1 [ancient blue dragon](/Rules/Source/bestiary/dragon/ancient-blue-dragon-xmm.md) | | 00 | `dice:1d4\|noform\|noparens\|avg` (`1d4`) [adult brass dragons](/Rules/Source/bestiary/dragon/adult-brass-dragon-xmm.md) | ^desert-encounters-levels-1720