3 hours of battle many of the covenants have joined the arbiter others were not and none of the brute have joined him.

each battle none of the covenant could stop the onslought of the Ultramarines and their knight allies the brute have struggle to match them but all of their effort is failed to stop a squad of Primaris Marines.

The UNSC soldiers were awed to this new arrivals they even thought they are the new spartans but they have been assured they are not the new spartans and they are different human faction.

Guilliman, Arbiter and other unsc and sword of sanghelios have assign to Africa and drove out the remaining covenant in Earth.

While in space Both the UNSC ships, sword of sanghelios shipsand the Macraggre's Honor was slowly getting the upperhand they all combined their firepower to destroyer their enemies.

Each volley from the Macragge's Honor dozens or more were destroyed and many more were crippeled they cannot even destroy their void shield but it take hours to destroy. but still the Armor was too thick for their weapons and it took a minute to restore the Void shield.

None of the covenant could stop their boarding action they stop the terminators and other marines specialized in boarding action. Their fighters could not stop them since space marines pilots are better pilots some of them even destroyed a cruiser

In the Africa
A drop pod crush both parties goes there Guilliman and arbiter was present it took 30 minutes to reach it. they saw a 7.1 ft tall soldier in green armor lying in the ground "This must be the spartan they talking about" said Guillman as he look at the spartan

It did not take long to make him up and he almost kill arbiter and Johnson was explaining to him for what happened "And who are these big fellow?" ask the soldier "Ah...This is Lord Guilliman of the Imperium of man...they are another human faction and they are here to help us and becareful to his soldiers they are very dangerous they defeated a brutes like it was nothing" said Johnson "It's good to meet you Master chief" Said Guilliman.

All of them go to the disignated base where miranda was station The Unsc salute to her.

It took 5 minutes of breifing and they go.

and it took hours to cleanse their base of their enemy The Master Chief was very impress to the Primaris espicailly their Primarch dispite of their size could move so fast and they have even more Numbers and more advance weapons that put the Spartans to shame.

Timeskip

then it took them 6 hours to beat them and they were force to Retreat to the Portal they had created.

Then another problem came a ship contain of the Flood crush and unload it's deadly cargo