Dead Count Shapeshifter can be used as normal Command Spells

Dead Count Shapeshifter. The unique Command Spells engraved on Sieg. They can also be used as normal Command Spells, but there was absolutely no need for Sieg to force Astolfo to do anything with a Command Spell, so he used them all to turn himself into Siegfried. To explain it simply, they basically let Sieg summon Siegfried every time he uses one. The catalyst is Siegfried’s living heart.