Mission to Ahch-To

After what he had heard about Ahsoka Tano's visit to the, Darth Nihilus goes onto a rage and tasked himself into capturing an AT-AP walker after what it did on Rakata Prime. When he landed on, he was only welcomed by several unidentified leaders whom he had trapped into force barriers, he was able to kill them and took the enhanced AT-AP walker toward where a dropship can fit, when reinforcements arrived Darth Nihilus defeats them and a dropship returns the walker home.