Who's hand is this?

obviously. It's a right hand, Veigars right hand has spikes on each knuckle (now replaced there by buttons). It's a "power hand" which his right hand is themed for that. The hand isn't blocky/robotic enough looking to be . Also Veigar is an evil themed character with great powers, remember he tried to break into the yordle academy and steal something once? The final boss is always evil. Theme fits perfectly to Veigar.

right hand!

99% sure its Veigar. S@20 said some of the assets of the post even referenced veigar. Also it's a right handed three fingered glove, which is veigar's gauntlet hand, it can't be a coincidence.

It's definitely Veigar's hand but I really hope it isn't the ultimate skin...

I suppose

My first thought was Viktor.

It's Mothafuckin Master Hand

I just honestly wish Viktor. And for people, Legendary/Ult Skins are NOT and I repeat NOT Always given to Teaser's. Hell before Renekton's Newest skin (Scorched Earth) There was a teaser for it and it wasn't Legendary or a ult.

It's Master Hand.

I'm guessing Mordekaiser.

Maybe the hand is not part of a champion at all, and is merely a Super Smash Bros. reference to Master Hand which is placing the real addition; Arcade Miss Fortune!

It's Morello's

From what I've heard, it's Veigar's. But right now nothing is set in stone, so it could be anyone.

Judging by how it's called the "final boss," it's probably going to be a more evil-ish character, and people have been pointing out how it's got only four fingers. So, any evil, four fingered champion is a likely candidate.

shreks hand roflsauras rex

I hope it's not Veigar

he doesn't really have a good excuse for an Arcade theme you barely see any of his particles

I think I could see it being Mordekaiser, /maybe/ even Ryze

New ultimate skin for Veigar, my guess :D

ITS VI'S thinks about it, morello said the next ultimate skin is for a champ with the letter a in the 4th letter of one of its abilities, vi is the only one with a glove on that list that works, veigar isnt on their.!

Im pretty sure its Vi's (Im probably going to get laughed at for it)

mine

I think its quite obvious this is the hand of Andross..LOL

On a serious note, everybody say hi to Arcade Viktor ....

I really hope it's not viktor. Viktor isnt even playable.

It's odviously vi's gauntlet in arcade form

It's 's Hand of course.. look at the red Knuckles on the top... Just a tease that somehow they are going to make part of the Arcade Group.

Let' s think meta... my own hand. In the sense the hand cursor that you use while in game, or maybe a corrupted version controlled by some rogue AI that wants to take over control of the game/servers! Even while in the game universe those skins are to be considered part of a game, sooo....

i think its because has 2 spikes on his hand and has the circle things on her knuckles

I'd be fine if it was Final Boss/Arcade Veigar! Then he would like.. literally delete people.