Bio II


Scroll of Bio II
BLM Lv.35 / RDM Lv.36
DRK Lv.40
Teaches the black magic Bio II.
Deals dark damage that weakens an
enemy's attacks and gradually reduces its HP.
The Attack reduction is a flat 15%. Dark Shot improves the reduction to 18%[1]

The damage over time varies with the caster's Dark Magic Skill[2]

  • 0~130 skill: 3 HP/3 seconds
  • 131~170 skill: 4 HP/3 seconds
  • 171~210 skill: 5 HP/3 seconds
  • 211~250 skill: 6 HP/3 seconds
  • 251~290 skill: 7 HP/3 seconds
  • 290~ skill: 8 HP/3 seconds

Bio overwrites the equivalent tier of Dia spells, and is overwritten by higher-tier Dia spells.

Automatons do not cast this spell if equipped with a Valoredge Head.

Other Uses

Resale Price: 2,000~2,050 gil

How to Obtain

Auction House Category: Scrolls > Black Magic Ffxiah-small.png
Can be obtained as a random reward from the Gobbie Mystery Box Special Dial and similar sources.


12,600 - 14,560 gil