Talk:Deathfire Grasp/@comment-168.174.253.220-20120312211148/@comment-96.255.48.194-20120330191637

For most mana AP champs, assuming they try to have blue buff as often as possible, the extra CDR is usually wasted:

-20% CDR from blue buff

-4% CDR from Sorcery mastery (almost EVERY AP champ gets 4 points in sorcery so they can grab Arcane Knowledge for the 10% magic penetration)

Morello's puts you at 44%, while DFG puts you at 39%.

Unless you don't put 21 points in offense, or don't need blue buff, DFG is almost always better than Morello's. The active is way better than an extra +15 AP and +2 mana regen