A defense structure that gives an additive -10% to someone's chance to invade a planet. Limit 1 per planet. Maybe have a mission that drops 10-15 of them.

So basically, if your chance to invade is 44%, it's now 34%. Your max chance becomes capped at 80%. Your starting chance is under 10%? Can't take it.

This would be a way to add tangible defense to a planet from big bad guys, without making it impossible to invade. Mento could get his attack to a million billion zillion and still have a 20% chance of failing.
Wouldn't take up a lot of space (1 or 2), but would add solid defense that scaled for attackers of all levels.

+1

odd this hasnt had more support. i would love to see something like this. possible an incremental value, 1space 5%, 2 10%, 3 15% and thats where it stops.
it would give you a MUCH better chance of keeping those special planets that you've more then likely paid for.

+1

+1. A brilliant idea that really helps balance out planets.

I'd certainly like to be able to defend my planets better. This could even make Mento worry about IF he will conquer a planet again lol.

+1 from me.