Talk:Riven/@comment-77.102.118.239-20130130020139/@comment-2124153-20130130191736

My understanding of the general idea behind resources:

Fury, Heat, and Ferocity are different since they generally just serve to change how abilities work. I don't think that Riot really likes their cooldown-only champions, TBH. Xypherous has stated previously that if he could remake Katarina, he'd give her mana.
 * Cooldown-only: intended spam abilities a lot at all times.
 * Mana: limited early due to pools, but lategame mana is cheap and abilties are spammed. Unless you are Anivia.
 * Health: give a cost for whiffing, to make ability use count. But like mana, trivial lategame.
 * Energy: limited throughout the entire game, including teamfights, to contain combo power. But early advantage due to fast regeneration compared to mana/health.