Summation of changes to arena scoring due to upcoming updates

SP changes:
- units without prfs can now score as well as units with prfs by using 300SP in both A-and C-slots.
- B.Hector can move up a scoring bin because he has both a prf and a 350SP A-skill, so he is the only 175BST armour that can score like a 180BST armour.
- units with prfs can use 200SP skills in B-and S-slots if they use 300SP A-and C-slots and their prf. They will score as well as if they don't use a 300SP C-skill but instead use 240SP in B, C, and S-slots. Alternatively, they can give up their prfs by keeping 240SP in B-and S-slots.

So people who merged Gwendolyn and Sheena are back on a level with people who went instead for G duel on someone like Raven or Soren.

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BST: as per the last statement in the screenshot below, covering the bane does affect who you see in arena.

On lists below, !! mark popular or somewhat popular merge projects.

Other noteworthy names will be marked with **.

Most units will move up a scoring bin. Exceptions: all 180 BST armours, all 175 BST armours, all 165BST units (ranged armours without exception), Gerome, Luke, Eliwood, Camus, Flora, Ylgr, Lute, B.Tharja, NY Fjorm, S.Takumi, M.Morgan, H.Mia, L.Lucina, Silvia, Gunter, S.Kagero, NY Azura, Olivia, B.Sanaki, WF Hinoka, SS Camilla, Ethlyn, most ranged GHB/TT reward infantry (Saias, Julius, F.Takumi, Canas, Oliver, NY Corrin), most ranged cavalry*
Units who cannot go up a bin but who can use duel skills: Legault, Sothe, F.Morgan, A.Camilla, Aversa, Rhajat

*all ranged cavalry except B.Lyn will find themselves in the 145-149 range once merged.

If your unit didn't appear on the list above and you weren't previously dependent on a superboon to move up a bin, then you will move up a bin.

Units who reach 180BST who previously couldn't: none

Units who reach 175BST who previously couldn't: Zelgius, H.Docras, Amelia, W.Chrom, LA Hector
**Units who no longer need their superboon to reach 175BST, with superboon indicated in brackets: Surtr (atk, def), W.Ephraim (atk), M.Grima (atk), W.Robin (res), B.Hector (def), L.Hector (atk), B.Ephraim (res)

**Units who reach 170BST who previously couldn't: Arden, BK, Draug, Zephiel, Effie!!, flying Tiki, both A.Corrins, Myrrh
**Units who no longer need superboons to reach 170BST: Gwendolyn!!, Sheena!!

**Units who reach 165BST who previously couldn't, non-5* exclusive: M.Kana, Joshua, Tobin, Nowi!!, Marisa, Soleil!!, Donnel, Fae!!
Units who reach 165BST who previously couldn't, 5* exclusives: Fjorm!!, B.Celica, L.Marth, Owain, L.Ike, Leif, Garon, Ayra, Y.Tiki, F.Celica, Mia, Shiro, Laevatein, Marisa, Karla, Laegjarn, Gray, F.Grima, S.Innes
Units who reach 165BST who previously couldn't but who could use duel skills: Libra**, Linus, F.Kana, Helbindi, Sumia, NY Gunnthra, L.Ryoma, Dorcas, B.Ike, Shigure, NY Camilla, NY Hrid
Units who no longer depend on superboons to reach 165BST, with superboons indicated in brackets: H.Niles (def, HP)

Units who can now move up a bin using their superboons (with superboons indicated in brackets): Athena (HP, def, res), Silas (spd), Micaiah (HP), Ishtar (res), Ophelia (atk)
The same, but who have access to duel skills: Bartre (spd), Clair (HP?, atk, def), Elincia (HP, def, res), Tana (HP, def, res), Caeda (HP, atk, def), Nina (HP), S.Noire (HP), Lewyn (res), Loki (res), Mikoto (res), L.Lyn (HP), S.Sharena (HP)
Ranged units get to 155; melee gets to 160.

Units who no longer need their superboons to go up a bin, achieving 160 or lower BST, i.e. not listed above (with superboons indicated in brackets): Sp.Xander (atk, res), Seth (HP), Roderick (def), Eldigan (spd), B.Roy (def), Mathilda (HP), Peri (HP), Abel (res), Oscar (def), Cain (def), Stahl (spd), Titania (def), Ninian (atk), Lene (def, HP), Eir (def), Azura HP), SF Nino (HP, res), B.Veronica (HP), SM Eirika (HP), Nanna (HP, res), Olwen (atk), Cecilia (spd, HP), HF Micaiah (HP), P.Shigure (HP, res)
The same, but who have access to duel skills: Faye (def), YT Olivia (HP, res), S.Tana (HP, res), PA Azura (HP), HF Elincia (HP), L.Azura (HP, res)

Implications: 170BST is still the ceiling for f2p unless you saved orbs and went for Surtr when he came out (or similar for Helbindi on his return). However, a bunch of infantry who were previously sitting at 162-163 just got a nice boost that puts them only one step behind. More generally, most units are moving up a bin, which means that floors rather than ceilings are going up, but it probably doesn't affect you unless you were already using 170BST units or duel skills because you're going to move up with everyone else.

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Considerations:
- pulling for a 300SP C-skill and putting it on a 170BST unit scores as well as putting a duel skill on a unit with a prf, but functionally the C-skill is significantly better. Duel skills are combatively stupid on most units, Aversa being a notable exception.
- duel skill units who max out their SP score are still one scoring bin above 165BST units who max out their SP score without duel skills, i.e. it's not the case that pulling for a 300SP C-skill is just as good as pulling for a duel skill unless the 300SP C-skill is going on a 170BST unit.

So the hierarchy looks like this:
170BST max: Gwendolyn/Sheena with 300SP C-skill, duel skill unit with prf, duel skill unit with 300SP C-skill and no prf
One bin lower: Gwendolyn/Sheena without 300SP C-skill, duel skill unit with neither prf nor 300SP C-skill, 165BST unit with either prf or 300SP C-skill but not both
Two bins lower: 165BST unit with neither prf nor 300SP C-skill