Wars that spanned most of the globe. Lan Wangji can feel his stomach sinking, soured at the thought, although his expression is unchanging and he takes a slow sip of his tea without difficulty. It does not quite surprise him to think that war, global and civil and petty and all-consuming, continues for hundreds of years past his own likely death, if he had stayed. But it does dismay him. He meant it when he told Magnus that he hoped and intended to create a kinder world for the children who came after him. If he succeeded, that success must have melted away under the deluge of history.

In any case, he only nods, quietly absorbing the new information. Susan is not at fault, naturally. "Understood."