Source - Datamined from game

| All Champion's autoattacks will remain the same |

Champions' Ultimates ( Champ | Description ):

Aatrox: 1st Q, no second cast

Ahri: Q, no healing

Akali: Normal Q with no slow

Anivia: Normal R, with no slow

Ashe: Normal R, but randomly targeted

Aurelion Sol: Normal R, without knockback

Blitzcrank: Q, on furthest target

Brand: R, no passive involved

Braum: W, seems to apply to all damage instead of just projectiles

Cho'Gath: Q, without knockup

Darius: Normal Q

Draven: (Passive) Grants stacking bonus on-hit and attack speed

Elise: Human form E, then R's and gains 2 spiders

Evelynn: Normal R, but can only deal damage to 3 enemies

Fiora: W, but stuns 1 enemy closest to her

Gangplank: Passively makes barrels (like Illaoi tentacles) and detonates on cast

Garen: Normal E, but becomes immune to magic damage

Gnar: Transforms, then jumps to furthest enemy and R's

Graves: (Passive) Normal passive, without knockback

Karthus: Normal R but only to a number of random enemies

Kassadin: (Passive) Steals mana from enemies into a shield

Katarina: Normal R

Kayle: R, without the damage portion

Kennen: Normal R, with passive

Kha'Zix: Normal Q, with isolation

Kindred: R, without healing, and only for allies

Leona: R, no slow for enemies not in center

Lissandra: R target if above 50% HP, self-cast if not

Lucian: E, then passive attacks but 1st attack is AD and 2nd attack is SP (AP)

Lulu: Normal R

Miss Fortune: Normal R

Mordekaiser: Q, no bonus single target damage

Morgana: Normal R

Nidalee: Human W on herself and lowest ally, then R's

Pyke: E, but towards furthest enemy

Rek'Sai: Normal W, but becomes untargetable and heals

Rengar: Leaps to nearest enemy, and Q's

Sejuani: R, but stuns after delay instead of instant

Shen: W, but blocks all damage

Shyvana: R's away, and when in R attacks become ranged and burns

Tristana: E, but explodes after 4 attacks

Varus: Normal Q

Vayne: (Passive) Normal W

Veigar: R, but instakills if Veigar is higher level

Volibear: (Passive) Normal R

Warwick: R, but targets lowest enemy and stuns

Yasuo: Q, third cast grants tornado

Zed: Normal Q

Items:

BF Sword: AD

Bloodthirster: Lifesteal

Brawler's Glove: Wearer is also a Brawler (class)

Chain Vest: Armour

Cursed Blade: Low chance to reduce enemy's level by 1

Dragon's Claw: MR

Essence Reaver: Something mana related

Force of Nature: Increased team size

Frozen Heart: Normal aura

Hush: Chance to silence

Infinity Edge: Normal passive

Ionic Spark: When enemy casts a spell, they are damaged

Locket of the Iron Solari: Casts active when combat starts

Luden's Echo: All spells gain Luden's passive

Magic Dust: Stat Stick

Needlessly Large Rod: AP

Negatron Cloak: MR

Phantom Dancer: Dodges all crits

Rabadon's Deathcap: Normal passive

Rapid Firecannon: Attacks are undodgeable, double attack range

Recurve Bow: Attack Speed

Red Buff: Normal red buff but without slow

Redemption: Active, but only casts on death

Runnan's Hurricane: Normal passive

Seraph's Embrace: Restore mana per spell cast

Spear of Shojin: After ulting, gains mana per attack

Stattik Shiv: Every 3rd attack deals splash damage

Sword Breaker: Chance to disarm

Sword of the Divine: Chance to gain 100% crit every second

Tear of the Goddess: Something something mana

Thornmail: Passive but damage reflected is a percentage of damage taken

Titanic Hydra: Normal passive

Warmog's Armor: Normal passive

Wit's End: Attacks drain enemy's mana

Youmuus' Ghostblade: Wearer is also an Assassin (class)

Yuumi (she's an actual item): Wearer is also a Sorcerer (class)

Zeke's Herald: Aura that grants attack speed for allies

Zephyr: On start, banishes an enemy

Traits:

Assassin: Amplified crit damage

Blademaster: Chance to strike twice, higher tiers can strike thrice

Brawler: Bonus max HP

Demon: Chance to take all of enemy's mana and convert it to true damage

Dragon: Immunity to magic damage

Elementalist: On start, summon a Lesser Elemental. Higher tiers summon a Greater Elemental

Exile: If alone, gain percentage of max HP as shield

Glacial: Chance to stun

Guardian: On start, Guardians and nearby allies recieve armour

Gunslinger: Chance to fire multiple attacks, higher tiers attack all enemies in range

Imperial: A single Imperial deals double damage, higher tiers enable all Imperials to deal double damage

Knight: Blocks AA damage

Ninja: If 1 or 4 active, gain percentage AD

Noble: Grant armour and health per attack to random ally, higher tiers enable this to be active for all allies

Phantom: Curse random enemy, setting their HP to a number

Pirate: Earn up to 4 extra gold per combat vs player

Ranger: Chance to double attack speed

Robot: Start combat at full mana

Shapeshifter: Bonus max HP when transforming

Sorcerer: Allies gain increased spell damage

Void: All AA's ignore percentage of armour

Wild: Generate fury stacks. Fury stacks grant % ATKSPD to all Wild allies, higher tiers allow all allies to benefit

Yordle: Attacks against Yordles have a chance to miss

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