→4.16 On The Head Of A Pin
==[[4.16 On The Head Of A Pin]]==
and [[Uriel]] have bound [[Alistair]] to a [[Devil's trap (symbol)|Devil's trap]] which is described as being old [[Enochian]]. So that [[Alastair]] will kill [[Dean]] and escape, [[Uriel]] causes a water leak which drips onto and erases part of the trap, letting [[Alastair]] go free.
[[Image:Enochian devil's trap.jpg|250px|left|frame|Dean unconscious on the devil's trap after Alastair escapes and attacks him]]