I finally got around to experimenting more with pro models, and I had to try the Armored Fantasy LORA by @Valoric_Empath. The result was as superb as I expected, but there are some quirks to pro models that you don't see in the free models. I tried to make some quadruped mecha with pro models and it simply didn't take; Ideogram 2a Turbo and other free models are superior for this purpose. But the pro models definitely give you some capabilities you can't get otherwise, and the polish level is generally higher with pro models.
An angled front view of a sleek, streamlined, smooth, plate-armored, high-tech, hyperdetailed, buff, biosynthetic humanoid mech. The mech is covered in numerous glowing red Tron highlights and silver and black armor plating. The mech is standing in a battle stance, dual-wielding a pair of energy axes. ...
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3D Game Cinematic Feel, Epic 3D Videogame Graphics, Intricately Detailed, 8K Resolution, Dynamic Lighting, Unreal Engine 5, CryEngine, Trending on ArtStation, HDR, 3D Masterpiece, Unity Render, Perfect Composition