Full sleeve tattoo design for a human arm, illustrative graphic style, bold black outlines, dense cross-hatching, stippling dotwork, sharp ink lines. Anatomical flow from shoulder to wrist. Top shoulder: Alastor from Hazbin Hotel in dynamic pose, wide sly grin, small red pupils, radio antlers with sharp horns, long claw hands spread wide, emitting golden-yellow electric radio waves wrapping around the deltoid. Middle bicep: Alastor's claws holding three crossed katana swords (Zoro style) with di