Monster Blood is a fictional character of Goosebumps child' s book by R.L.Stine. This is a green substance that is
Goosebumps Monster Blood
similar to a mixture of Mars Mud and Silly Putty. This goop does something that is not similar to the other goops is that it is alive and it makes any living thing grow if ate by someone, but a piece of it. It will also grow.