Mr Davis, 30, was killed with what police believe was a thistle grubber and his body was found off the Wairakau walking track.
Crown prosecutor Mike Smith said Mr Davis had been brutally slain. The circumstantial evidence, when joined together, became like strands of a rope and established the weight of that evidence, he said.
"This is a deliberate, intentional killing. The bindings made Jack completely defenceless - he could not block the blows, retaliate or run away."
Mr Smith said Dangen had known what was going to happen and had helped.
Dangen had claimed it was all Bracken and he was acting in fear of his life, but that was not a defence.
"If you help someone with the knowledge they are going to kill someone else, you are fully liable," Mr Smith said.
In closing for Bracken, Mr Krebs said allegations made by Dangen during videoed police interviews could not be used against Bracken. No evidence placed Bracken at the scene and forensics showed a shoe print associated with Dangen near the body.
"There's no fingerprints, no shoe prints, no DNA, for Mr Bracken at all and no independent scientific evidence to implicate him.
"It would not be a safe verdict to return a guilty verdict on the murder charge for Wayne Bracken," Mr Krebs said.