Revenge
From Tardis Wiki, the free Doctor Who reference
According to Tim Shaw, revenge was what every living creature wished for. (TV: The Battle of Ranskoor Av Kolos)
Korst Gogg Thek Lutiven-Day Slitheen sought revenge against Luke Smith for the death of his father. (TV: The Lost Boy)
A Time Lord author speculated that the Twelfth Doctor's claim of knowing the truth about the Hybrid was an elaborate form of revenge to scare his people in retaliation for their killing Clara Oswald. (PROSE: A Brief History of Time Lords)