Hello Elvedin,
You probably forgot to open your loot page. The rest of your Blue Essence should be there in the form of champion capsules and shards, as described on the website and the product page. :)
“So, Im not sure why, but 1 day AFTER I purchased a smurf, someone played on it who was most definetely not me. Account name is Tedolaeny, unknown guy played 3 kayn games on it in ranked. Im just wondering how that couldve happened”