Alter Reality

This spell is extrememely dificult to cast requiring precise and well thought wording as the spell works literaly. the spell creates a masive illusion that bend reality, all creatures affected must make an intelligence saving throw. if 1 creatures Disbelives the illusion by saving the spell fails. The spell can change reality in any way , but cant rewrite history trully but can change how is remembered. The spell may be broken if a creature affected disbelives something, like when something too absurd happens . The spell takes 1 action to cast if affects 10 targets or less and 1 hour for every 100 targets. THe spell ages the caster for every 100 years the have lived by 1 year (0-100=1 year) This spell can be used instead of a limited wish. For examples of what a caster can do easyly with this spell -Make a target weaker , lesseing hit posibility -Heal themselves slightly or majorly -Save themselves from death Wizards tend to not construct buildigns or money with this spell as if is ever questioned it may vanish
(Legendary for most, rare for illusionists)