Why do you chase Singed?
Everyone knows it is a bad idea. He builds tanky, his ult makes him move faster and harder to kill, with a crystal scepter he is just gonna slow you when you do chase him. There is no reason to do it, yet it is bound to happen. And when a singed is fed and really annoying you got the whole team chasing him around the map, even at the risk of objectives.
" Oohoohoo Singed! You smell nice!"
"I have this uncontrollable urge to follow you."
"I see why everyone chases you."
's Ult, making the mana it costs to maintain it increase with time