Limit Break 4:When a «Narukami» rides this unit, choose up to one of your vanguards, until end of turn, that unit gets +10000, ": When this unit attacks a vanguard, if there are no rear-guards in your opponent's front row, you may pay the cost. If you do, until end of that battle, your opponent cannot call grade 1 or greater cards from hand to ." and ":If there are no rear-guards in your opponent's back row, this unit gets [Critical]+1.".
:[Soul Blast (1)] When this unit is placed on , you may pay the cost. If you do, each player chooses one of his or her rear-guards, and retires it.