Kennedy speculates that , despite being well - provisioned , the fortress may have surrendered been because its garrison was not large enough or possessed siege engines .
Though Sahyun was a strong castle , it fell in just three days .
Kennedy speculates that , despite being well - provisioned , the fortress may have surrendered been because Sahyun 's garrison was not large enough or possessed siege engines .
Though Sahyun was a strong castle , it fell in just three days .