Is this bad if i woke up with this on my neck
and its not fake either

Studying history is very important so that we learn from past experiences and don't repeat the bad ideas/choices that might have been made. it can tell us how cultures conducted their lives and you can learn about interesting facts you might not know. hope this ! : )

The technique was mural painting and he used either freshly laid or wet lined plaster. he also use water to merge it with the pigment and plaster creating a internal part of the wall