A spoiled, arrogant, and foul-tempered bully, Lucas is very much the same kind of tyrant as his father, tolerating no opposition. He is easily deceived by flattery, with Gretchen being able to pick the key to Drew's cell from his belt with a mild distraction. Lucas is also quite rude, insulting Duke Bergan's hospitality and home at every possible turn.

Lucas is capable of being observant, however, his volatile temper and shortsightedness often gets the better of him in political squabbles, caus