Aura adds the following effects per success: 1. * Extra damage vs. Flying 2. * Extra damage vs. Aquatic 3. * Extra damage vs. Earth 4. * Extra damage vs. Giants 5. * Extra damage vs. Spellcasters 6. * Extra damage vs. Dragon 7. * Extra damage vs. Werebeasts 8. * Extra damage vs. Undead The spell is bugged in the NES version, as it does not grant its extra bonus at level 8.