The Ruin of Halwes (also known as Ducaniel's Rending) was a catastrophic event that took place in Ancient Halwes. It was caused by Ducaniel during his short time imprisoned in Aesadas, it took form in a magical explosion that engulfed and shattered the entire continent into pieces, rendering it inhospitable to life.
References
Sammard Ionden (1705). Monolith: The Precursor Story. Beepeck Books.
Deriah Ginnfield & Erenios ta'Lunpyr (1820). The Exiles of Halwes. DamesBooks.
Taleyazarah ta'Norande (1822). Life on the Flotilla. Crowne Publishing.
Urian sil Deranne (1876). Ruin and Rend. Rose Publications.