Complex sentence: However, the situation turned around when the sample was successfully retrieved and kept out of the Consortium's hands, Stark continuing his research into the Artifact with his successor Allison Blake, and the mind and energy of the Artifact transporting itself into Kevin Blake to survive.
Split into simpler sentences: However, the sample was successfully retrieved and kept out of the Consortium's hands. Stark continued his research into the Artifact with his successor Allison Blake, and the mind and energy of the Artifact transported itself into Kevin Blake to survive.