User blog comment:Master Sima Yi/Contradicting and confusing terms in the Encyclopedia/@comment-4494956-20111220045755/@comment-1891670-20111220055840

The dismantling of Mastaf was because the Assassin Order went out of sight, operating in secret. Being secret usually does not include gigantic castles, and Altaïr realized that it was a beacon for their enemies and a symbol of their arrogance.