Complex sentence: After a long time King Brakus, ruler of the falcon clan, is able to gather and finally peacefully unite several antagonizing clans and then trying to win them for the combat against their shared foe.
Split into simpler sentences: After a long time King Brakus, ruler of the falcon clan is able to gather and finally peacefully unite several antagonizing clans. He thereafter trys to win them over for the combat against their shared foe.