Hi I wanted to make a thread for new players and old, so people had a better understanding of what are the best skills are, for each Weapon.
Please try list the best skill possible, not the best skill for your level.

(I will update as I find out more)

Spear:
Skills
1) Ice blossom (AOE)
2) Water Dragon (AOE)
3) Devastation slash
Ougi
Best - Spirit Blast
Second - Eternal Thunder
Worst - Splash

Bow:
Skills
1) Rapid Shot (single Target)
1) White peacock (AOE)
2) Iceicle Arrow (AOE)
Ougi
1) Restriction
2) Ariel Blitz
3) Dark Cannon (some say its good, some says its bad)

Twin Swords:
Twin Swords

1) Steal Attack - (not most effective but most useful)
2) Lightning Slash - (small aoe, but one of the best for TS)
3) Twin Blade Slash - (small range but hits up to 3 targets hard)

Ougie
Thunder Beast V1

Axe:
Skills
-)
-)
-) ???
Ougi
-) ??
-) ??

Wand:
Skills
1st: Fireball (Firestrike) (Single Target)
2nd: Ice pillar (upgrade version) (AOE)
3rd: Earth Spike (Earth glaive) or Call Lightning (Both AOE)
Ougi
-) ??
-) ??

Staff:
Skills
-)
-) Invigerate
-) ???
Ougi
-) Rapid Storm
-) ??


Odachi:
Skills
-)
-)
-) ???
Ougi
-) ??
-) ??

Sword:
Skills
-Lunge Step
-Crimson Sword
-Lightning Slash
Ougi
-) ??
-) ??

Staff Ougi - Rapid Storm

Bow- Poison Rapid shot

Bow Ougi - Dark Cannon

Spear

Best - Ice blossom
Second - WDS
Third - Devastation slash

Spear Ougi
Best - Spirit Blast
Second - Eternal Thunder
Worst - Splash

Wand
1st: Fireball (Firestrike)
2nd: Ice pillar (upgrade version. forgot what they were called)
3rd: Earth Spike (Earth glaive) or Call Lightning

Sword

Probably something like:

-Lunge Step
-Crimson Sword
-Lightning Slash

Have not gotten an Ougi yet.

Updated

Twin Swords

1) Steal Attack - (not most effective but most useful)
2) Lightning Slash - (small aoe, but one of the best for TS)
3) Twin Blade Slash - (small range but hits up to 3 targets hard)

Ougie
Thunder Beast V!
???
???

Havnt tried other ougies for ts yet.

Updated

No. Sword is definitely like this:

Normal -

1) Lightning Slash
2) Dust Storm Blast
3) Phoenix's Slash (Upgraded variant of Crimson Sword)

Ougi -
1) Thunder Beast
2) Thunder Beast
3) Thunder Beast

...Just kidding.

Ougi -
1) Thunder Beast
2) True Spirit Blast
3) Crimson Flame Blast Smash

I'd explain everything, but Boss event is about to start up. I can explain my reasoning later if needed.