At that point she would try to get someone Darkseid sized to fight Darkseid. Which would not be partially hard if Raven is on Earth as Trigon already declared it part of her realm.
One person’s liability is another persons insurance policy.
On another board they are questioning why does Trigon go to Waller to keep the Titans away from Raven. Why doesn’t he hardly every kill the Titans directly which he could do easily? I will let you ponder that.