Pokemon with changeable appearance

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Across
  1. 4. water, only in battle, depending on Ability, also depending on if it is switched out without fainting
  2. 5. grass, depending on weather
  3. 9. steel/ghost, only in battle, depending on used moves, either use damaging move or use "King's Shield"
  4. 14. normal/grass, depends on season, only changeable in Generation 5, final evolution
  5. 15. dragon/ground, depending on having enough cells and cores, depending on Ability and HP
  6. 20. rock/flying, depending on Ability and if HP are 50% or below
  7. 21. ghost/dragon, depending on world OR needs Griseous Orb/Core
  8. 22. water/dragon, needs Lustrous Globe
  9. 24. electric/dark, depending on Ability, switches at the end of every turn while sent out
  10. 25. electric/ghost, depending on possessed household appliance
  11. 26. flying/water, only in battle, depending if it is below or above 50% HP and its Ability
  12. 27. fairy/flying, exposed to Reveal Glass
  13. 28. fairy/ghost, changes form when it is being attacked
  14. 30. fire, depends on Ability and HP, in battle only
  15. 31. electric/flying, exposed to Reveal Glass
  16. 32. ground, since Omega Ruby/Alpha Sapphire, Protomorphose
  17. 33. fairy, depending if it is in battle or not
  18. 34. psychic, only through finding special meteorites, earlier depending on edition
  19. 35. fairy, depending on held item, only in battle
  20. 37. normal, 18 different forms, depends on Plate
  21. 38. water/fighting, needs to know "Secret Sword"
  22. 40. electric, only Omega Ruby/Alpha Sapphire, depends on costume it's wearing
  23. 41. water, since Omega Ruby/Alpha Sapphire, Protomorphose
  24. 42. water, depending on Ability, needs to reach Level 20, changes back if Hp are too low in battle
Down
  1. 1. normal, depending on Ability and the Memory it holds
  2. 2. fighting/dragon, depending on how much power it has
  3. 3. fighting, depending on held item, only in battle
  4. 6. electric/dragon, depending on how much power it has
  5. 7. psychic/grass, needs "Reins of Unity", depending on another Pokemon in the team
  6. 8. normal, depending on weather
  7. 10. grass, needs to be exposed to a Gracidea
  8. 11. ground/flying, exposed to Reveal Glass
  9. 12. psychic, depends on another legendary Pokemon, also depending on if it is able to use a Z-move
  10. 13. normal, depends on trim
  11. 16. psychic/ghost, depends on an item to change, changes back after 3 days
  12. 17. ice, only in battle, changes if hit by physical attack, changes back if hail or snow begins while on field
  13. 18. bug, depinding on environment it last participated in a battle, base
  14. 19. bug/steel, depending on the Drive it holds
  15. 21. water/dark, depends on Ability, since Generation 7, only in battle
  16. 23. flying, exposed to Reveal Glass
  17. 29. dragon/ice, use of DNA Splicers, fusable with two other Pokemon
  18. 34. steel/dragon, needs Adamant Crystal
  19. 36. normal/psychic OR fighting, needs to use "Relic Song" in battle
  20. 39. fire,electro,psychic OR ghost/flying, depending on nectar