A dark, very rich, complex, very strong Belgian ale. Complex, rich, smooth and dangerous.
BJCP 2008:
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Examples:
Westvleteren 12 (yellow cap), Rochefort 10 (blue cap), St. Bernardus Abt 12, Gouden Carolus Grand Cru of the Emperor, Achel Extra Brune, Rochefort 8 (green cap), Southampton Abbot 12, Chimay Grande Reserve (Blue), Brasserie des Rocs Grand Cru, Gulden Draak, Kasteelbier Bière du Chateau Donker, Lost Abbey Judgment Day, Russian River Salvation