Complex sentence: When Alucard demanded that he stop using pawns and fight directly, his attacks consisted of razor-sharp playing cards that could apparently cut through nearly anything and Alucard had great difficulty regenerating from the damage they dealt.
Split into simpler sentences: When Alucard demanded that he stop using pawns and fight directly, his attacks consisted of razor-sharp playing cards that could apparently cut through nearly anything. Furthermore, Alucard had great difficulty regenerating from the damage they dealt.