Complex sentence: Hot Shot won the day, and something inside Wheeljack seemed to soften, as, when both factions returned to Cybertron, he granted Hot Shot an audience with Megatron (now Galvatron), and worked closely and faithfully with him during the Unicron Battles and survives.
Split into simpler sentences: Hot Shot won the day, and something inside Wheeljack seemed to soften. When both factions returned to Cybertron, he granted Hot Shot an audience with Megatron (now Galvatron), and worked closely and faithfully with him during the Unicron Battles and survives.