Oscar offer his Hand to Ostrava after beating him in a Duel and thankfully, the Prince is no Sore Loser and Accepted his Help...
(I made a Tumblr Poll where People can Vote for either Ostrava of Boletaria from Demon's Souls or Oscar of Astora from Dark Souls to see which Knights do People Love more, only 11 People Voted and Surprisingly, The Elite Knight of Astora Won...)