His rise to power seems to have everything to do with his ambition and murky past, which he conducted in the backrooms of the Kremlin while riding the waves of Putin's favor
source https://www.thenews.com.pk/latest/1084182-how-russian-warlord-yevgeny-prigozhin-went-from-putins-chef-to-billionaire-head-of-wagner-staging-coup