How CAN we scale up living creatures to be giant sized?

Piggybacking on this question: Can you simply scale up animals? how CAN we scale up living creatures to be giant sized? What would need to done to make truly giant animals (Dragons, Kong, Godzilla, etc.) possible? Land creatures, flying creatures, ocean creatures, included.

All the questions I've found pretty much say that it can't be done. Fine. But if we were to try to create said creature, what would we have to do?

As the previous question states its just not possible, I get that. So let's assume in this fictional universe there's some super science technology and that said technologies users are creating the creature from scratch or manipulating an existing creatures DNA to make the changes necessary. Don't just say "magic" though please.

For example: Bones and muscles made of denser but lighter material? Multiple hearts to get the blood pumping? Some cavity(s) in the body filled with a gas that makes the creature more buoyant? Brain with extra organ(s) that can send out greater/faster commands to the body?

Even changes to the creatures environments are welcomed if necessary, though I'd rather focus on the creature itself.

EDIT: Some more details- Earth gravity and environment, and no more than 24m / 80ft tall.

EDIT: I wanted to add these pics to give a kind of scale to the size of creatures that have existed IRL. That really big Brachiosaur in both pics must give us some ideas.

https://en.wikipedia.org/wiki/Argentinosaurus

EDIT: I believe my question is different from Is there a maximum size an ocean bound creature could grow to? in that the previous question is more specific to ocean bound creatures and I'm hoping to get answers that apply to any and all creatures that would be giant sized. Thanks.

posted over 6 years ago

Len‭

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