>>31408734In Sun/Moon:
* HA Sharpedo (call rate 3 but easy from ORAS)
* HA Absol (")
* HA Miltank + Tauros (Also call rate 3 but Miltank HA was only in DW and in XY 5% horde with 1/5 being Miltank (rest Tauros))
* HA Kangaskhan (HA DW or 1% encounter in SM, with lowest call or rarely in Cubone chains)
Hard to get HAs in Gen 6 (from Mirage only):
* Persian
* Porygom
* Stantler
* Darmanitan
Hard to get HA from XY hordes:
* Houndour (X only, 10% horde)
* Heatmor (5% in hordes, only 1/5 is Heatmor, rest are Durant aggro against Heatmor)
Import DW only:
* Karrablast
* Shelmet
* Watchog
* Sentret
* All fossils gen 3-5
* Starters gen 3+4
Events:
* Starters gen2+5
* Fossils gen 6
-------
Hard to get in special balls:
Catchable in Dream World only (standard ball otherwise):
* Fossils gen 3-5 ( excluding Archen)
* gen 4 starters (rare event)
* gen 3 starters (ultra rare event, Jap/Kor only)
* Dream Ball rares: All male only (except Rowlet), all genderless, Pikachu, Gothitelle, BW Monkey trio, Bulbasaur, Charmander, Squirtle)
Safari Ball (very hard to get in HGSS)
* Bagon
* Beldum
* Lucario
* Gible
Off the top of my head.
I may be autistic about this