Jhin, The Deadeye Theory
I think the 4 champions that are have been or will be teasered to give a hint on dead eye have a thing in common with their posters. Zed: http://media.lolusercontent.com/api/embedly/1/image/resize?url=http%3A%2F%2F1.bp.blogspot.com%2F-xF9mk5f_H-s%2FVn8ZFo4HZrI%2FAAAAAAAA2Us%2FKD60CMELA_w%2Fs1600%2FZed.gif&key=a45e967db0914c7fb472fd4381e6c85b&width=150
Zed's icon has petals, rose petals. In Zed's lore he kills his master, Shen's dad, rose petals would be a perfect example to demonstrate this action.
Sona: http://ossweb-img.qq.com/images/lol/web201310/data/Sona.gif
Sona's icon has birds. Birds are thought of to sing and chirp beautiful songs esp when Sona is carrying a etwahl. Perhaps the small things floating in each icon represent sorrow. Because Sona is a nun she cannot talk.
Garen: http://ossweb-img.qq.com/images/lol/web201310/data/Garen.gif
Garen's icon has crystals perhaps representing his tears. As the icon represents sorrow these tears must mean he was failed his task to fight for Demacia. Update: The picture of him getting shot through the chest has him in full armor meaning he must been fighting. Also, meaning sorrow and a dark possibility.
Vi: http://ossweb-img.qq.com/images/lol/web201310/data/Vi.gif
Vi's icon has what looks like fire. Because she is on duty to protect Piltover this must mean Jinx, the one who causes mayhem in Piltover, has probably demolished the city as each icon represent sorrow and a dark possibility.
Other reason why I think it represents sorrow is because they are all looking down. This usually represents sadness and they all have an slight sad face.
THEORY 1
This tells us that Jhin must be some kind of champion which makes people feel shame. Or he is like Ekko/Zilean where he can see different possible outcomes.
Also, Deadeye. Eyes are used for seeing. There is also forseeing which is seeing what can possibly happen anytime. This is also a little thing that backs up my evidence. Also Deadeye, the word dead is a dark word. DEAD (dark) EYE (forseeing) THIS MEANS A DARK TIME.
THEORY 2 Credit to @Idk221212 <-- twitter for finding Zed has 3 letters Sona has 4 letters Garen has 5 letters Vi in Roman numerals is 6 and deadeye is 7. However, there might be something behind this. It goes up to 7. There are 7 sins. Notice how it goes from 3 to 7 and no more or less? They could of done Vi first and a different champion for 6 but still. This may mean Jhin/Deadeye is an adc many people say it can also mean each teaser represent 1 of the 3 - 7 deadly sins.
Zed 
is the 3rd, the 3rd deadly sin is Greed, greed is applied to a very excessive or rapacious desire and pursuit of material possessions. <--- wikipedia This works for Zed because he wanted the power to posses shadows so bad he killed his master.
Sona 
is the 4th, the 4th deadly sin is Envy, envy is similar to jealousy in that they both feel discontent towards someone's traits, status, abilities, or rewards. The difference is the envious also desire the entity and covet it.
This works for Sona because don't you think she feels disconnected without the ability to speak.
Garen 
is the 5th, the 5th deadly sin is Pride, pride is identified as believing that one is essentially better than others, failing to acknowledge the accomplishments of others, and excessive admiration of the personal self; it also includes vainglory which is unjustified boasting. Does this not fit Garen? P.S. go into a game with Garen and hit
ctrl-3.
Vi 
is the 6th, the 6th deadly sin is Wrath, wrath is also known as "rage", may be described as inordinate and uncontrolled feelings of hatred and anger. Wrath, in its purest form, presents with self-destructiveness, violence, and hate that may provoke feuds that can go on for centuries. This is Vi because the rivalry beetween Jinx and Vi has been going on for a very long time.
Jhin/Deadeye is last deadly sin beetween 3-7 which is Sloth, sloth can entail different vices. While sloth is sometimes defined as physical laziness, spiritual laziness is emphasized. Failing to develop spiritually will lead to becoming guilty of sloth. In the Christian faith, sloth rejects grace and God. So what does this mean?
What do you think this means?
Photos for the teaser for Zed, Sona and Garen I will update when Vi's teaser comes out.
Zed: https://i.ytimg.com/vi/hR-KnRGYoUQ/maxresdefault.jpg
Sona: https://i.ytimg.com/vi/a08pAACdErY/hqdefault.jpg
Garen: http://2.bp.blogspot.com/-SlHvPVSacbY/VoRacyeqTYI/AAAAAAAA2Xk/1_jj29gWPe8/s640/garen.jpg
P.S. these photos do not have the sound at the beginning.
