Out land head hunters they pride themselves on killing anyone who comes beyond the gate including silver knights though very few prevail. There are several side-quests in Lords of the Fallen and although they are not hugely involved and do not require a great deal of effort they do offer up some nice rewards including some nice lump. You’ll need to keep an eye on his Rage Meter (below his HP gauge).
To fulfil the bonus requirement in this bout, you mustn’t let the Champion enter Rage Mode, with the exception of the periods between phases. Lords of the Fallen guide: Champion boss battle.