Another World I: The Legend of the Demon God

The Otherworld has stood for countless millennia amid romance and bloody storms, gathering the power of countless realms. Here converge the yin softness of the Yin Realm, the purity of the Soul Realm's mental power, the scarcity of the Spirit Realm's spiritual energy, the diversity of the Immortal Realm's immortal energy, the mysteries of the Formation Realm's arrays, the secrets of the Dao Realm's power, the unrivaled might of the Battle Realm's techniques, the balance of yin and yang in the Yin-Yang Realm's arts, the mutual generation and restriction of the Five Elements Realm's arts, the killing instinct of the Nether Realm's magic, the slow, harmonious completeness of the Buddha Realm's essence, and the imposing might of the Demon Realm's energy. Naturally, the Otherworld's own supernatural abilities are here as well. With such a formidable lineup, what exactly are they up against?