Changes required for full zero sum in the type chart

To have complete zero sum in each types:

Types that need 1 super-effectiveness:

1. Electric
2. Dark
3. Steel

Types that need 2 super-effectiveness:

1. Normal
2. Poison

Types that 4 need super-effectiveness:

1. Grass
2. Bug

Types that need 1 resistance against:

1. Rock
2. Ghost

Types that need 3 resistances against:

1. Ground

Types that need 1 immunity against:

1. Flying
2. Ghost
3. Dark
4. Steel
5. Fairy

Types that need 1 resistance:

1. Normal
2. Grass
3. Ground
4. Psychic
5. Rock
6. Dark

Types that need 3 resistances:

1. Ice

Types that need 1 weakness:

1. Dragon
2. Fairy

Types that need 2 weaknesses:

1. Water
2. Electric

Types that need 3 weaknesses:

1. Fire
2. Poison

Types that need 7 weaknesses:

1. Steel

Types that need 1 immunity:

1. Fighting
2. Poison
3. Electric
4. Psychic
5. Dragon