Create a new type, include what its super effective against and what its weak against ETC.
Type: Light
Super Effective against: Dark, Fly, Ghost
Not Very Effective against: Fire
Doesn't effect: Rock, Steel
Super effective on: Rock, Steel
Not Very effective on:Fire, ghost
Doesn't effect on: dark
Type: Light
Super Effective against: Dark, Fly, Ghost
Not Very Effective against: Fire
Doesn't effect: Rock, Steel
Super effective on: Rock, Steel
Not Very effective on:Fire, ghost
Doesn't effect on: dark