I've always been a sucker for lore dumps at the end of a book, and 'Isle of Demons' delivers a pretty solid one regarding the curse. The final chapters reveal the island wasn't always a prison for malevolent entities. It was a sanctuary first, a sacred place for a now-vanished civilization that tried to harness the same chaotic energies. Their ritual, meant to protect, backfired catastrophically because they misunderstood the core principle: the 'demons' are reflections, not invaders. They're manifestations of the darkness in anyone who sets foot there. The curse is a feedback loop—it amplifies your inner turmoil until it physically manifests and traps you. So the island's current state is a permanent scar from that ancient arrogance, a self-sustaining prison born from a failed attempt at control.
It's less about breaking a specific spell and more about the island being stuck in that single catastrophic moment, forever replaying it through every new victim. The ending implies the curse can't be 'lifted' in a traditional sense because it's become the island's natural state. The only way out, hinted at with the protagonist's choice, is integration, not escape—acknowledging your own demon as part of you, which paradoxically breaks its power over you. It's a cool, psychological twist on the usual 'find the magical macguffin' resolution.