>>11355356
I had a similar idea while watching Avatar.

What if plants and animals were extensions of me, like blood cells or white blood cells?
Imagine an entire planet treating human settlers like a virus, activating its immune system to fight back. All flora and fauna would be regenerative and adaptive, constantly evolving to meet the threat.

At first, humans respond with flamethrowers and laser weapons, easily wiping out resistance. Things seem to be going well until, a few months later, the plants become fireproof.

Then the animals begin to change. They grow taller, more agile, stronger. They develop natural armor plating that deflects lasers. Confusion sets in among the humans.

So, they escalate deploying giant mechs to hold the line.
Six months later, the first kaiju emerge.

This would be my ideal scenario.