ChampionDescriptions.txt

Annie Elemental Sorcerer R
Ashe Glacial Ranger R
Brand Elemental Sorcerer R
Braum Glacial Warden E
Chogath Void Brawler R
Darius Imperial Warden Q
Jinx Hextech Marksman Passive
Kassadin Void Blademaster E
Khazix Void Assassin Q
Lux Elemental Sorcerer Q
Nautilus Elemental Warden R
Qiyana Elemental Assasin R
Riven Imperial Blademaster R
Sivir Elemental Blademaster W
Syndra Demon Sorcerer Q
Varus Demon Marksman Q
Veigar Demon Sorcerer R
Vi Hextech Brawler R
Wukong Monkey Brawler R
Yasuo Elemental Blademaster R

Origins
Elemental: Annie Brand Lux Nautilus Qiyana Sivir Yasuo
Glacial: Ashe Braum
Demon: Syndra Varus Veigar
Imperial: Darius Riven
Void: Khazix Kassadin Velkoz Chogath
Hextech: Jinx Vi
Monkey(probably changing): Wukong

Classes:
Sorcerer: Annie Brand Lux Syndra Veigar Velkoz
Marksman: Ashe Varus Jinx Sivir 
Warden: Nautilus Braum Darius
Brawler: Wukong Vi Chogath
Assassin: Khazix Qiyana
Blademaster: Yasuo Kassadin Riven