The survival mode boss of arcana hearts 3. Infinite Supers and Combos that kills you in 1 hit from long distance or short distance. Lots of invinsiblities in her move. Fast and teleports all over the place.
THIS ONE MILLION TIME THIS.
You forgot to mention the fact that this monster had a special move that regen it's life while making it invincible.
Videogame cancer : Perpetual easy mode (AKA USA syndrome), word "main" in fighting games.