>>869865Rope is good - mule tape packs small/light and works well for recovery.
Alsp bring some carabiners and a short length or two of rope to make pulley if needed.
Tools to fix whatever may break. Spare bolts are good to have.
Basic first aid kit and knowledge on how to treat injury.
Map. GPS is nice too.
Pretrip before you leave: fluids, bolt check, light/electrical check.
Wear your gear.
Clear safety glasses or goggles in case you're out after dark.