A rucksack bag (larger backpack). They usually come with their rain covers.
A compass if you need to be aware of your exact directions, specially during night time.
A pocket torch along with spare batteries.
A pocket knife.
A camera (optional).
For UV protection: Sunscreen, a cap, UV protection sunglasses.
Trekking poles are essential. If you forgot to buy one earlier you will find plenty of tree branches which can come in handy..
EXTRA TOILETRIES:
Personal toiletries kit that may include mini washing soaps, facewash, tissue rolls, wipes, cold cream etc.
Don’f forget to include lip balm with your accessories!