What does itchoua say about the name of the island and what will happen if the window seal gives way?

Itchoua explains that the name of the island is significant, as it reflects the history and the fate of its inhabitants. He warns that if the window seal gives way, it could lead to disastrous consequences, potentially allowing the outside world to invade or disrupt the fragile balance of their existence. This highlights the island's precariousness and the importance of maintaining its integrity.