Quick Answer

Act 3 has too much gear to wander randomly. List party gaps first: frontline armor, ranged weapons, spell DC, initiative, survival, and scrolls. Then shop and quest through the Lower City by need.

StageWhat To DoWatch Out
Early cityFind vendors and waypoints firstDo not trigger every major quest immediately
Buy by buildPatch each character’s main weaknessDo not spend gold evenly for no reason
Hard zonesBring resistance, scrolls, and resurrection toolsMansions, temples, and prisons punish underprep
Final prepClean bags and distribute consumablesDo not leave scrolls in camp

Key Checks

  • Act 3 has many vendors, so note who sells what.
  • Legendary does not always mean best for your party.
  • Before the finale, give consumables to the characters who will use them.