Need your help battle brother's

Hi all, i wanna play this list in a local tournament with all level and a lot of différent armies so i want somethings versatile and not too op. But i struggle with the last point help me pls. (I have a repulsor too but non idea what to put in) Thanks in advance

y [1705 points] Ultramarines Battle Size: Strike Force (2000 point limit)

Detachment Choice: Blade of Ultramar

Assault Intercessors With Jump Packs [90 points] • 1 Assault Intercessor Sergeant with Jump Pack with One plasma pistol and Power fist • 3 Assault Intercessors with Jump Pack with Astartes chainsword and Heavy bolt pistol • 1 Assault Intercessors with Jump Pack with Astartes chainsword and Plasma pistol

Ballistus Dreadnought [150 points] • Armoured feet, Ballistus lascannon, Ballistus missile launcher and Twin storm bolter

Ballistus Dreadnought [150 points] • Armoured feet, Ballistus lascannon, Ballistus missile launcher and Twin storm bolter

Captain In Gravis Armour [90 points] • Armour of antoninus [+10 points], Master-crafted heavy bolt rifle and Master-crafted power weapon

Gladiator Lancer [160 points] • 2 Storm bolters, Armoured hull and Lancer laser destroyer

Incursor Squad [80 points] • 1 Incursor Sergeant with Bolt pistol, Occulus bolt carbine and Paired combat blades • 3 Incursors with Bolt pistol, Occulus bolt carbine and Paired combat blades • 1 Incursors with Bolt pistol, Haywire mine, Occulus bolt carbine and Paired combat blades

Intercessor Squad [80 points] • 1 Intercessor Sergeant with Bolt pistol, Bolt rifle and Close combat weapon • 4 Intercessors with Bolt pistol, Bolt rifle and Close combat weapon

Lieutenant With Combi-weapon [85 points] • Combi-weapon and Paired combat blades

Redemptor Dreadnought [205 points] • Icarus rocket pod, Macro plasma incinerator, Onslaught gatling cannon, Redemptor fist and Twin fragstorm grenade launcher

Redemptor Dreadnought [205 points] • Icarus rocket pod, Macro plasma incinerator, Onslaught gatling cannon, Redemptor fist and Twin fragstorm grenade launcher

Roboute Guilliman [340 points] • Warlord • Emperor’s sword and Hand of dominion

Scout Squad [70 points] • 1 Scout Sergeant with Astartes chainsword, Bolt pistol and Close combat weapon • 1 Scouts with Bolt pistol, Close combat weapon and Scout sniper rifle • 1 Scouts with Bolt pistol, Close combat weapon and Heavy bolter • 2 Scouts with Bolt pistol, Close combat weapon and Combat knife