SRD
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Okay, then we can limit ourselves to this: we take an angel, give him four wings, two facing downwards, two upwards, and two in the middle for flight (all as in mythology), meaning the animation for the wings at the top and bottom is absent, and only the ones that are already there move. The casting animation can also remain the old one, but the flame should be larger, and it won't be difficult to trim away the excess from the angel.