What champions would benefit from a thematic update?
As the game is modernized factions gain more of a set visual identity and new champions are more rigorously tailored to fulfill their fantasy all-around.
Some older champions didn't emerge with these guidelines yet in place though, and there might be chances for improvement thematically given the efforts of the VU team. 
is a good example of a theme being pushed to new glorious heights after an update, and also clearly placing him within the Shadow Isles' visual identity.
What champions do you think could gain most from their fantasy, theme or affiliation being solidified in an update?
Her most defining feature is that she is the girl with levitating blades,yet her kit makes only use of that with her ult(which feels quite unimpressive),the rest of her abilities could have been slapped on any other bruiser
he is basically THE electro mage of the game,no other champ uses as much lightning as he does(ryze and xerath use pure energy),however he doesn't look like a lightning champ at all
he is a gem paladin,but that hardly matters,the only gem related move is his w(and those look like crystals),they should give him animations that make it clear that the abilities come from the gems on his armor
yeah him being a serial killer isn't really noticeable at all,he should remain a comedic character,but he should express his sadistic side a bit more
I'm not even sure whats ryzes core theme,he is kinda the standard mage and a keeper of an ancient scroll with magic tatoos and thats basically it and none of that gets really expressed in any way by him
- no longer a yordle? doesn't feel shuriman other than mummy wraps.
-love old visuals and lore; new lore makes his visuals feel like man in the iron mask rather than entombed sarcophagus.
- feel like displaced zoo animals rather than natural residents; could be justified by lore...
- doen't appear to be a desert dweller, crazy time control tech?; Could be justified by lore...
- may need just model/texture update
- high tech breathing mask?/blue skin?
- Complete visual overhaul needed; feels too Spawn/lizard-like rather than Void insect
- just needs model/texture update
- pending lore rewrites; Brand doesn't look like a person with his own will or motivations. The possessed body that Brand is in could hint at his lokfar origins. At least have Brand look like the end game boss he's suppose to be rather than forgettable minion fodder.
- Nunu should look like Feljordian child rather than santa's elf.
- Udyr's base model needs an update; Himalayan mountain monk might be an interesting visual direction.
- green and yellow/gold don't really read as a demacian color scheme. perhaps slate blue instead of green?
- misshapen dragon armor?; needs clean straight lines.
- lose a little armor and gain more regal mage robes; perhaps just a model/texture update.
- may just need a texture/model update but I think her Ironscale skin should be swapped as her base. She looks to feral to reside in Demacia as is. If her human form armor isn't biologically a part of her body then she should have armor that looks like it came from Demacia.
- i like her current visuals but it doesn't really fit demancia.
- sniper/sherrif from victorian steampunk universe
- dieselpunk helicopter flying yordle
- lore justified visuals... but could have the glove look to be more shuriman in origin.
- this is what i think piltover as a city and hextec should look like. bold clean shapes and colors that reference clock work but have futuristic edge.
- possible lore justified visuals... still looks like dieselpunk 80's punk rocker.
- too much victorian clockwork not enough hextec
- looks like piltover criminal, i.e. jinx, rather than police officer. Also dieselpunk as opposed to hextec for her gloves.
- walking grecian/roman cliche
- high contrast modern clean sharp lined body suit with classical armour bits.
- lower contrast body suit with overlapping non-referential armour bits.
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Vladimir. A Blood mage who looks, acts and is a vampire, but at the same time he's not. Even his name is Vlad. Kneel before Vlad! After hearing this, would you imagine a blood mage or you'll imagine a sadistic secular vampire with a castle and some count-like title? You'll chose the second one for sure.