The Strange
Strange effects are rare and hard to do. You heard stories that someone knows someone who saw some strange effect.
Telekinesis
Spells, skills, traits, items, potions and other means that grant telekinesis of any kind have harsh restrictions.
Companions
Spells, skills, traits, items, potions and other means that grant companions of any kind have harsh restrictions. This applies to tamed animals and automated technical gadgets.
Darkvision
Spells, skills, traits, items, potions and other means that grant darkvision of any kind have a range of 5 feet and everything above that is considered a strange effect.
The Miraculous
Miraculous effects are very rare and very hard to do. You heard stories that some mystical hero performed such an effect in the past.
Illusions
Spells, skills, traits, items, potions and other means that grant illusion effects of any kind have very harsh restrictions.
Shapeshifting
Spells, skills, traits, items, potions and other means that grant shapeshifting of any kind have very harsh restrictions. This applies to polymorphing.
Summoning and Conjuration
Spells, skills, traits, items, potions and other means that grant the ability to create, summon or conjure creatures of any kind have very harsh restrictions.
Firearms
Spells, skills, traits, items, potions and other means that grant the ability to fire a gunpowder based weapon of any kind have very harsh restrictions.
The Impossible
Impossible effects are extremely rare and extremely hard to do. You read about these effects in legends and fables.
Invisibility
Spells, skills, traits, items, potions and other means that grant invisibility of any kind have extremely harsh restrictions.
Teleportation
Spells, skills, traits, items, potions and other means that grant teleportation of any kind have extremely harsh restrictions. This applies to short and long distance teleportation.
Flying
Spells, skills, traits, items, potions and other means that allow flying of any kind have extremely harsh restrictions. This applies to levitation effects.
Time Manipulation
Spells, skills, traits, items, potions and other means that allow slowing or acceleration of time as well as time travel of any kind have extremely harsh restrictions.
Planar Travel
Spells, skills, traits, items, potions and other means that allow access to other planes of existence of any kind have extremely harsh restrictions.