Nothing can truly guarantee your safety when it comes to extreme activities like base jumping. In this case we have Vimeo user
Subterminallyill whose base jumping experience left him injured, which he lists as "Compression Fracture of the T12 Vertebra, 5 stitches to the eye, 6 stitches to the chin, severely sprained Back, wrist and hand. multiple bruised areas."
Watch the unfortunate event, in slow motion, below: