Complex sentence: Making his way back to the RV, Ricks visions the remaining group members being struck by Negan and hands the axe back to Negan, who then drives back to the clearing where Rick's group awaits.
Split into simpler sentences: Making his way back to the RV, Rick envisions the remaining group members being struck by Negan. Rick hands the axe back to Negan, who then drives back to the clearing where Rick's group awaits.