Zeno of the Beta Star/Optimal Rotation

Assumptions:
 * A fire element weapon is equipped. When using a non-elemental weapon, replace a cast of Obliterating Mirror of Equity's Roar with Blazing Heat - Ash or Firaga Slash.
 * LB/turn equipment (e.g. Marshal Glove, Heart Overcoming Hatred) is equipped to use his LB every 4 turns. If not, an external LB fill rate buff is required.