I dig Zeta as the 13th in place of the Arisen and would love if in 2026 we got a Zeta Prime alongside the Arisen so we can choose which we want for the 13th Prime. Nexus I'm still not huge on, don't really give off the combiner vibe IMO but not terrible, Liege and Alchemist I think should swap colors. Solus NGL, my favorite design for her besides her POTP cartoon design. Been said many times but I love how Vector is literally his Cybertron design, was fully expecting some Aligned influence but clearly the designers knew the right move. Also funny that it's more faithful than the Legacy toy we got (which I don't despite still). Would gladly take a SS TFO VP released and retooled into a 2.0 Cybertron VP figure (but I think anyone outside A3 is iffy and if they did do the 13 it would be in a few years since we are getting the 13 Primes for the next two years).
Solus is easily my favorite, and the few glimpses of her she is standing strong and proud. Really love Prima Prime, he looks like Optimus/Magnus great grandpa. Liege is interesting? Really odd not seeing him in green and being a good guy. Megatronus….i know this is going be a hot take but he looks stupid as fuck. Having him be a walking Con logo and that shade of purple just he is washed out. I fucking hate Nexus, and I’ll leave it at that. the rest are okay.
I'm pretty sure these are the designs that inspired each one, though some incorporate traits from multiple iterations
Also seems like several are holding their respective artifact. Prima and the Star Saber, Vector Prime has Rhisling, Solus and her Forge, Amalgamous with the Scythe, Nexus and what may possibly be the Skyboom shield, Alchemist might have the Lenses incorporated into his design, Megatronus with the Void Scepter. Onyx might have the Tryptych Mask on? Liege has a sword but his artifact is darts. Alpha Trion's sand based story recording power might be an interpretation of the Quill/Covenant. Micronus and Quintus are the two that don't seem to have anything resembling their, or any other, artifact.
Almalgamus Prime: really love this design, might be an ancestor of Shockwave. I would love to see those arms transform into the side of a vehicle. Nexus: looks so different from what you'd expect....I wonder if some of these colors were modified for visibility, I still like the design, but he's a tad Generic. Alchemist Prime, I'm used to his bartenderish look, but this is a upgrade that's giving off Waspy vibes. Also kinda Bayverse bee proportions. Micronus: I like this one the least, just never expected Micronus to wield a Mace and he looks like a barbarian. Megatronus: love this design, looks amazing, really dig the boots, he looks like a polished Tarn. I was excited to hear that IDW Fallen was going to be a Leader Figure this year....and now I wish it were this guy. That's how awesome this design is. Here's our best look at an undamaged Alphatrion, I think he looks great, also this figure is awesome fyi.
I think TF:One Megatronus looks closer to his RID15 counterpart than he does to the Titans Return version, specifically with how with his upper chest, arms (minus shoulders), lower legs and knees look. But it's still cool that the designers took inspiration from previous designs when it came to designing the Thirteen for the movie.
I love these designs! Especially megatronus, nexus is cool too! Although he doesn't look like a combiner, maybe he's the core unit? Hopefully we'll get ss figures of these soon!