This orb is about 6 inches in diameter and emits a sinister glow. In you look deep into the orb you can see the cosmos.This orb has 8 charges for the following properties. It regains 1d4 + 2 expended charges daily at dawn. If you expend the last charge, roll a d20. On a 1, the orb loses its properties and becomes a nonmagical marble.

While touching it, you can cast the Enlarge/Reduce Greater Invisibility reverse gravity] [spell]Giant insect] spell 

These spell do not have the desire affect when cast. They are world changing spells.

When Enlarge/Reduce is cast it enlarges/Reduces all creatures with 100 mile range to small or huge size for normal duration of the spell.

When Greater Invisibility is cast it causes every creature with 100 mile range to go invisible for normal duration of the spell.

When reverse gravity is cast it increases gravity so much all creatures in 100 mile range movement is reduce to 5ft for normal duration of the spell .

When Giant insect is cast it  transforms all qualifying insects in a 100 mile range to giant size for normal duration of the spell.

Notes: This item has an advanced Arcanist's Magic Aura cast on it making it difficult to determine it true affects. If you use an identify spell or 3 successful arcane checks it will only reveal the base spells not their true world changing nature. It would require 2 cast of identify or 6 successful arcane checks to reveal this items true nature and power of the spells.