Five Grand Elemental Spirits, Spirit of Fire

[AUTO](RC):When your opponent's rear-guard is retired by your card effects, if you have a unit with "Hao" in its card name, you may [Soul-Charge]1. [AUTO](RC):When this unit attacks a vanguard, if you have a unit with "Hao" in its card name, this unit gets [Power] +20000/[Critical] +1 until end of that battle.