Prior to generation VI, dragons only had 2 weaknesses; other dragons, and this type.
Ice
Machamp
Trade
Quagsire
2
Pay Day
Meowth
Normal, Water
Bibarel
Psychic types have 3 weaknesses. What are they?
Bug, Dark, Ghost
Jolteon
Thunderstone
Ambipom
4
Attack Order, Defend Order
Vespiquen
Poison, Flying
Zubat line
Everyone knows that water beats fire. But what other 2 types can snuff out a charmanders flames?
rock and ground
Magnezone (prior to gen 8)
Must level up in a strong magnetic field
Mimikyu
7
Shadow Force
Giratina
Steel, Poison
Varoom line
Fairy types were created to balance out the powerful dragon type. What types can slay the dragon slayers?
Poison, Steel
Accelgor and Escavalier
Must trade their pre-evolutions with each other (karrablast and shelmet)
Corsola
2
Flying Press
Hawlucha
Ice, Ghost
Froslass
Which two types are supereffective on themselves?
Ghost, Dragon
Mantine
Level up with a remoraid in the party
Diancie
6
Behemoth Blade
Zacian
Electric, Dark
Morpeko