Please remove the mana drain from Kassadin
You want Kassaddin to be a somewhat tanky frontliner for a sorcerer's comp, even though it's questionable if a champion who doesn't even have a spell or mana should be classified as a sorcerer? Fine, whatever. A-OK by me. But don't let him shut down whatever enemy he's fighting and totally prevent them from casting spells, even with items like spear and seraphs. Reduce the amount of mana drain or completely remove it (Idk why he should just have demon's mana drain minus the damage for being placed on the board) and just let him get a shield each time he attacks that scales with his own AP. That way he becomes better when he's used in a sorcerer's comp, instead of being thrown into any comp in the game because of how strong his mana drain is and how stupid strong he becomes with items.
Also update his fucking tool tip. Gotta love how I have to look shit up online from a third party resource because if you right click him in game you just get a vague description with no actual numbers.