Otiluke's Siege Sphere

7th-level evocation (Sorcerer,Warlock,Wizard)


  • Casting Time: 1 action
  • Range: Touch
  • Components: V, S, M (a lodestone)
  • Duration: 1 minute

You create a boulder-sized orb of force that you can load into a catapult or trebuchet. Before the orb is fired, it is made of pure force and can only be destroyed by disintegrate or dispel magic. Once the orb has been fired you can choose one of the following effects: * Crystal Shards. At any point within the range of the catapult or trebuchet the orb explodes into crystal shards. Everyone within 20 feet of the exploding orb must make a Dexterity saving throw. Targets take 6d8 force damage on a failed save, and half as much on a successful one. * Liquid Fire. The orb strikes any point within the range of the catapult or trebuchet and shatters, spraying liquid fire that sticks to anything. Everyone within 30 feet of the shattered orb must make a Dexterity saving throw. Targets take 4d6 fire damage in a failed save and half as much on a successful one. The target continues to burn. At the beginning of their turn the target must make a Dexterity saving throw, taking 4d6 fire damage on a failed save and half as much on a successful one. Once the target makes three Dexterity saving throws, the fire goes out. The fire lasts for 10 minutes and creatures that start their turn into the area or moves into the area takes 2d6 fire damage on a failed Dexterity save. * Wrecking Ball. The orb strikes any target within the range of the catapult or trebuchet. A split second before impact the orb becomes impossibly dense. Choose one target within range, which must make a Dexterity saving throw, taking 10d10 bludgeoning damage on a failed save and no damage on a successful one. This effect deals double damage against objects.