"When you're going to change the world, don't ask for permission." A young man who keeps to himself most times, Viktor is determined and headstrong when it comes to accomplishing his goals. Growing up in the Undercity, he knows what it's like to be poor while having to fend for yourself, thus he's sympathetic towards the people of Zaun, taking offense when Jayce says they're dangerous. Although reserved and introverted, he's also idealistic and selfless, genuinely wanting his research and inventions at Hextech to improve the lives of both Zaun and Piltover citizens alike. Viktor also has comedic moments such as when he and Jayce went to sneak into Heimerdinger's lab and are found by Mel. He immediately tries to lie and humorously play it off by acting like he thought he was taking Jayce to his bedroom, showing he might not be the best at lying. Even though his intentions are pure, he can be hasty at times as he wanted Hextech to go out as soon as possibile despite the risks of it not being stable enough. This hastiness is partially understandable however due to the fact Viktor's illness is causing his lifespan to be cut short and he's afraid he won't able to put his research into effect while he's still alive. Although this expeditious attitude has paid off to some extent, it's also lead to some serious consequences and regrets. When Viktor recklessly augmented himself with the Hex Core while he didn't have any more shimmer, it almost consumed him and ended up costing him Sky Young's life when she tried to save him. This event left him devastated and almost made him destroy the Hex Core out of anger, but couldn't bring himself to do it.