Purgatory Great Dragon Emperor, Favrneel Rheingold

[CONT](VC):During your turn, if your opponent's vanguard is grade 3 or greater, and your soul has a "Purgatory Dragon Deity, Favrneel", all of your front row units get [Power] +10000, and this unit gets [Critical] +1. [AUTO](VC):At the beginning of your main phase, choose a card from your drop, put it into soul, choose one of your opponent's rear-guards, and retire it. [AUTO](VC)[1/turn]:At the end of the battle this unit attacked, if the sum of the grades of 《Dark States》 cards in your soul is thirteen or greater, [COST][Counter-Blast 2] or put a card with "Favrneel" in its card name from hand into soul], [Stand] this unit, and it gets drive -1 until end of turn. [AUTO](Soul):At the end of your turn, if your vanguard is "Purgatory Dragon Deity, Favrneel", ride this card as [Rest].