You forgot the Weapon-form (Melee) drone/partner mek, Handy but not Quick. Also, Super-Heavy Hydraulics, to help heft that beast... you might need to make it a mecharider or add the multiplier from Dataweaver's Custom Forms for that, just to get enough carrying capacity 
Also, ISTR seeing that before as a (nominal) transforming unit, though I don't recall that its alt-mode was all that impressive. Possibly just a super-mode with rearranged armor parts but still humanoid?

Also, ISTR seeing that before as a (nominal) transforming unit, though I don't recall that its alt-mode was all that impressive. Possibly just a super-mode with rearranged armor parts but still humanoid?
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‎noli esse culus
‎noli esse culus