Your Elemental Aura is more strong.

Prerequisites: Crusader, base strength 21+ for fire or base dexterity 21+ for shock or base constitution 21+ for frost

Benefit: Choose one element connected to some aura you possess. This element receives some bonuses:

• Frost: When enemies fail the saving throw they also take 10 points of frost damage.
• Fire: The weapons of allies within 18m receive the flaming burst weapon special ability.
• Shock: Each turn every enemy within 18m takes 10 points of lightning damage without saving throw..

Special: You may take this feat multiple times, each time choose another element.