Finished the championship!!! This is my second win. Posting here the list of my winnings, as that might help someone who doesn't have many special dragons.
Kaleido Dragon -> Ancient Start (lvl 4)
Tinkerer Dragon -> Smitten (lvl 9)
Marionette Dragon -> Landworm (lvl 10)
Neo Bride Dragon -> Landworm (lvl 10)
Dueler Dragon -> Neo Air(lvl 13)
Charisma Dragon -> Landworm(lvl 10)
Glitter Dragon -> Neo Air(lvl 13)
Summer Lily Dragon -> Rainbow Sentinel (lvl 9)
Amazon Dragon -> Neo Air (lvl 13)
Humming Dragon -> Landworm (lvl 10)
Athena Dragon -> Won by Smitten (Lvl 9) [Rainbow sentinel was defeated first]
Night Bloom Dragon -> Rainbow Sentinel (lvl 9)
Aerialist Dragon -> Neo Air (lvl 13)
Rogue Dragon -> Neo Diamond (lvl 9)
Hera Dragon -> Neo Air (lvl 13)
River Dragon -> Rainbow Sentinel (lvl 9)
Warden Dragon -> Neo Air(lvl 13)
Delver Dragon -> Rainbow Sentinel(lvl 9)
Kiss Dragon -> Neo Air(lvl 13)
Stargazer Dragon -> Rainbow Sentinel(lvl 9)
Black Knight Dragon -> Neo Air(lvl 13)
Warpaint Dragon -> Neo Air(lvl 13) [Rainbow Sentinel was defeated first]
Scarab Dragon -> Clown (lvl 9) [Neo Air & Rainbow Sentinel were defeated]
Cleric Dragon -> RainBow Sentinel (lvl 9) [Neo Air & Peacock were defeated]
Green Thumb Dragon -> Neo Air (lvl 13)
Triple Rainbow Dragon -> RainBow Sentinel (lvl 9)
Valiant Dragon -> Fates (lvl 7) [Defeated - Rainbow sentinel, neo air, fire, clown, neo diamond, landworm, smitten, butterfly]
Daredevil Dragon -> RainBow Sentinel (lvl 9)
Glasswing Dragon -> Fates (lvl 7)
[****s: fire, Playful, elements, music]
Neo Glasswing Dragon ->. Landworm (lvl10) [****s: fates, Jupiter, rainbow sentinel, music]