Ajahn Dhammasiha explains that a general needs to know his enemy very well, if he is to win the war. Fortunately, when Māra assaulted the Buddha under the Bodhi Tree with his ten armies, the Buddha knew exactly what he is dealing with. By understanding which defilements the ten armies represent, the Buddha could subue them internally in his heart, and Māra had to retreat in defeat.SensualityDiscontentHunger & ThirstCravingTiredness & LazynessFearDoubtHypocrisy & StubbornessGain, Honour, Veneration & ill-gained FamePraising Oneself & Disparaging OthersThe encounter is described in 'Padhana-Sutta' ('Exertion') in Suttanipāta ('Group of Discourses) 3.2; Verses #425-#449Translation by John D Ireland:https://accesstoinsight.org/tipitaka/kn/snp/snp.3.02.irel.htmlTranslation by Ajahn Ṭhānissaro:https://accesstoinsight.org/tipitaka/kn/snp/snp.3.02.than.htmlhttps://www.dhammagiri.org.au