Notes on status Z-moves:

Full List:

1. Attack +1
2. Attack +2: Mirror Move exclusive
3. Attack +3: Splash exclusive
4. Defense +1
5. Defense +2: 0
6. Defense +3: 0
7. Special Attack +1
8. Special Attack +2: Heal Block, Psycho Shift
9. Special Attack +3: 0
10. Special Defense +1
11. Special Defense +2
12. Special Defense +3: 0
13. Speed +1
14. Speed +2
15. Speed +3: 0
16. Accuracy +1
17. Accuracy +2: 0
18. Accuracy +3: 0
19. Evasiveness +1
20. Evasiveness +2: 0
21. Evasiveness +3: 0
22. Stats +1
23. Stats +2: 0
24. Stats +3: 0
25. Critical hit boost:
26. Reset Stats
27. Restore HP
28. Restore replacement's HP: Only Parting Shot and Memento.
29. Center of attention: Destiny Bond, Grudge
30. Effect of the transformed move: Assist, Metronome, Nature Power
31. None: Lunar Dance and Healing Wish

Abridged List:

1. Attack +1
2. Defense +1
3. Special Attack +1
4. Special Defense +1
5. Special Defense +2
6. Speed +1
7. Speed +2
8. Accuracy +1
9. Evasiveness +1
10. Stats +1
11. Critical hit boost
12. Reset stats
13. Restore HP

Bug:

1. Attack +1: 0
2. Special Attack +1: 0
3. Special Defense +1: 0
4. Special Defense +2: 0
5. Speed +2: 0
6. Accuracy +1: 0
7. Accuracy +2: 0
8. Evasiveness +1: 0
9. Stats +1: 0
10. Critical hit boost: 0
11. Restore HP: 0

Dark:

1. Special Defense +2: 0
2. Accuracy +1: 0
3. Evasiveness +1: 0
4. Stats +1: 0
5. Critical hit boost: 0

Dragon: Only one, reset stats

Electric:

1. Attack +1: 0
2. Defense +1: 0
3. Special Defense +2: 0
4. Speed +2: 0
5. Accuracy +1: 0
6. Evasiveness +1: 0
7. Stats +1: 0
8. Critical hit boost: 0
9. Reset stats: 0
10. Restore HP: 0

Fairy:

1. Attack +1: 0
2. Special Defense +2: 0
3. Speed +1: 0
4. Speed +2: 0
5. Accuracy +1: 0
6. Evasiveness +1: 0
7. Critical hit boost: 0
8. Restore HP: 0

Fighting: Only Evasiveness +1, Attack +1, Defense +1

Fire: Only Speed +1, Attack +1

Flying:

1. Attack +1: 0
2. Special Attack +1: 0
3. Special Defense +1: 0
4. Special Defense +2: 0
5. Speed +1: 0
6. Speed +2: 0
7. Evasiveness +1: 0
8. Stats +1: 0
9. Reset stats: 0
10. Restore HP: 0

Ghost:

1. Attack +1: 1, but non-Ghost Curse
2. Defense +1: 0
3. Special Defense +1: 0
4. Speed +1: 0
5. Speed +2: 0
6. Accuracy +1: 0
7. Evasiness +1: 0
8. Stats +1: 0
9. Critical hit boost: 0
10. Reset stats: 0
11. Restores HP: 0

Grass:

1. Attack +1: 0
2. Special Attack +1: 0
3. Accuracy +1: 0
4. Evasiness +1: 0
5. Critical hit boost: 0

Ground:

1. Special Attack +1: 0
2. Speed +1: 0
3. Speed +2: 0
4. Accuracy +1: 0
5. Critical hit boost: 0
6. Restores HP: 0

Ice: Only Reset stats and Restores HP.

Normal: N/A

Poison:

1. Attack +1: 0
2. Special Attack +1: 0
3. Special Defense +1: 0
4. Special Defense +2: 0
5. Speed +2: 0
6. Accuracy +1: 0
7. Evasiveness +1: 0
8. Critical hit boost: 0
9. Restores HP: 0

Psychic:

1. Stats +1: 0
2. Critical hit boost: 0

Rock: Only Defense +1, Speed +1, Reset stats.

Steel: Only Special Attack +1, Reset stats.

Water:

1. Attack +1: 0
2. Special Defense +2: 0
3. Accuracy +1: 0
4. Evasiveness +1: 0
5. Critical hit boost: 0
6. Reset stats: 0
7. Restores HP: 0

Additional notes:

1. All Weathers give +1 Speed.
2. Status curing moves give HP, HP restoring moves reset stats.
3. Stat boosting moves that give more than +1 stat reset stats. Others give +1 of their respective stat.
4. Grassy Terrain: +1 Defense, Psychic Terrain: +1 Special Attack, Misty Terrain: +1 Special Defense, Electric Terrain: +1 Speed.
5. Stat lowering stats boost the inverse stat. If they lower Speed of the opponent, they increase the Speed of user.
6. Conversion 2, King's Shield, Dark Void, Powder and Kinesis do not give stats +1 despite being signature moves.
7. Rare moves like Spore reset stats.
8. Flatter is the only confusion move that raise Special Defense instead of Special Attack. Swagger is the only confusion move that reset stats.
9. Entry hazards raise Defense +1.
10. Guard moves raise Defense +1, except Crafty .Shield, which raises Special Defense +1.

Statuses and stats:

1. Burn: Attack
2. Poison: Defense
3. Confusion: Special Attack
4. Paralysis: Special Defense
5. Sleep: Speed