User:ZarHakkar/Numerology Stone: Fibonacci Sequence

Wondrous Item, artifact (Dc. 15 vs highest attribute bonus with proficiency)

An Ancient stones that could turn basic fire, curing or illusionary spells into a vast sweeping hurricane of magic
The Fibonacci stone is said to use the Fibanocci mathematical sequence to greatly enlarge the areas of spells into vast swirling magical storms. Fn starts with 1 meter when N eventually gets to the 5th, 6th, 7th place it has covered an entire room at the 17th place the spell has effected an entire dungeon or region.