It's more implied than explicit. He gets his kingdom but wants to extend it to the whole world. Guts' refusal to submit continuously gets under his skin even if it's just a mild annoyance. He doesn't seem to enjoy his minions as much as he did the Band.
It doesn't undermine him as a villain because he's constantly doing more stuff, but it does sort of build a sense of a person drinking ever more seawater to try and cure their thirst.
Is this new berserk lore? I don't remember him giving a fuck but its been ages
It's more implied than explicit. He gets his kingdom but wants to extend it to the whole world. Guts' refusal to submit continuously gets under his skin even if it's just a mild annoyance. He doesn't seem to enjoy his minions as much as he did the Band.
It doesn't undermine him as a villain because he's constantly doing more stuff, but it does sort of build a sense of a person drinking ever more seawater to try and cure their thirst.