Now THAT would be a challenge to take down even if it was an mp match of sins and everyone had a full fleet with a titan, allied to take on that monster.
And if you want to get rid of evil ponies bent on destroying advanced civilizations of organic life, might I suggest trying to get the help of the Reapers, a race of two-kilometer long sentient organic-synthetic spaceships that harvest all organic life every 50,000 years to 'preserve' it? Their methods are harsh but they are brutal to fight. As in there is no way to beat them all conventionally.
SPOILER WARNING-GAME ENDINGS SHOWN BELOW
And that's just one. Try thousands.
And here is a sizable portion of their fleet. Almost all. And every single fleet in the galaxy against them.
-Sir Red Rocky54