Be an Artificer and load it up with your Infusions.
You've got a Colossal Construct and you're NOT going to ride it??I'm looking for a more permanent solution other than becoming a gundam pilot...
Gundam vs Romans...
You've got a Colossal Construct and you're NOT going to ride it??
How about make it a carrier for a small army of other Constructs?
Ok, I broke open the Epic Handbook and took a read.
Sounds like you would have some sort of "Huge, Exotic Weapons in one hand." Spiked Chain Perhaps? You'd have a 30' natural reach, plus, um, I don't know what reach a Spiked Chain for a Colossal creature would have.
Free action Breath weapon on top of it. Incredible.
I don't understand, what is it you plan to do with this thing? It's incredible completely naked by itself, how much more do you need it suped up?

(Dungeons & Dragons)
Rulebook featuring "high magic" options, including a host of new spells.