The dynamic between Millie and Blitzo in 'Helluva Boss' is honestly one of the most fascinating parts of the show. Millie’s fiery personality and unwavering loyalty to Moxxie make it clear she’s deeply committed to him, but her interactions with Blitzo sometimes carry this weird tension—like she respects him as a leader but also finds him exasperating. There are moments where she’s protective of him, like when she jumps into fights without hesitation, but it feels more like camaraderie than romance.
That said, the show loves playing with ambiguity, and the writers sprinkle just enough hints to keep fans theorizing. The way Millie teases Blitzo or rolls her eyes at his antics could be read as fondness, but it’s never overtly romantic. If anything, her relationship with Moxxie is so solid that any 'shipping' with Blitzo feels like a stretch. Still, the chaotic energy between the three of them is what makes their scenes so entertaining.