David Vonderhaar has confirmed on Twitter that Call of Duty: Black Ops 3 will feature 10 total prestiges, with each prestige having 55 levels. This was previously mentioned during a Twitch stream at E3, but there hasn’t been an official confirmation till now.
In addition, Vonderhaar has stated that there’s something ‘special’ as part of the prestige system that has not been announced as of now. We’ll update as we learn more.
@Riot_eF 55. 10 Prestiges. And something special that is unannounced.
— David Vonderhaar (@DavidVonderhaar) August 21, 2015