Champion deaths should be more explosive and dramatic.
is a good example.
ty n godbless
is a good example.
ty n godbless
Hold up Op, Imma let you finish, but...
still has the best champion death of all time. Mic drop
lets just turn everyone into 
Let's get Michael Bay on the Riot Art team then.
Lets just have every champion explode for no discernible reason upon being fatally struck.

https://www.youtube.com/watch?v=oujWuLFx7Ug
This is dramatic(?)
I've always thought Battlecast Cho's death was explosive and dramatic.
Of course bringing down a giant, metal behemoth would result in lots of fire and loud noises.
LeBlanc's is definitely dramatic.
Look it up on LolKing model viewer.