Board Thread:Theories/@comment-26139747-20161231215315/@comment-25322628-20170101032815

It could be managed if a Titan performed a careful bite on a Titan Shifter. If the aim was not to kill them, but to absorb and assimilate their power, then just a little spinal fluid is necessary. Also, spinal fluid should be renewable so long as the person is still alive and healthy.