Arthur Laine was indeed a formidable weapon, and when deployed, it would cause terrifying damage, but it could only be used as a critical card, not thrown out at the beginning of the game to end it. On the contrary, playing it too early would only give the Laine people time to prepare.
Even a nuclear bomb, no matter how powerful, isn't enough to destroy a country, not even a small one.
A great nation with a population of hundreds of millions, and with plenty of mid to high-level talents, as long as the core of Laine hadn't been completely abandoned, the Empire would have a very powerful ability to repair itself. Now, the mainland nations were all tacitly uniting against Laine, but their goal was just to reclaim lost lands, not to join forces and obliterate Laine.
Anyone with a bit of sense would know that Laine was far from destruction at the moment.
Withered Rose was very unwilling to accept this, but she had to admit that what Amberser said was right.