Accused murderer Bradley Scott Purkiss' partner said she had been trying to leave the relationship for six to eight months prior to the death of his friend and Risdon Vale tattoo artist Dwayne Robert 'Doc' Davies, the Supreme Court has heard.
Mr Purkiss' former partner Jillian Roberts told the court via video-link she had not wanted to be in the relationship for some time when Mr Davies' disappearance in May 2017.
Mr Purkiss and Margaret Anne Otto, the wife of the victim, are co-accused for Mr Davies' murder in 2017.
Ms Roberts described her relationship with Mr Purkiss at the time of Mr Davies' murder as "unsettling, unpredictable, unnerving for myself."
"I was certainly too frightened to involve anyone else in helping remove me from the relationship," she said.
"What he was capable of with other people frightened me."
Ms Roberts told the court she wanted to stress the point that Mr Purkiss never physically hurt her.
A long-time friend Mr Davies told the court the planned late night meeting between the victim and Mr Purkiss on the night he disappeared was "dodgy".
Emma Jackson said Mr Davies visited her at her workplace on his way to meet Mr Purkiss on the night he disappeared.
CCTV footage showed Mr Davies left Ms Jackson's workplace just before 8pm to travel to Mr Purkiss' residence at Elderslie.
Ms Jackson told the court Mr Davies said he was going to see two Harley Davidson motorcycles brought down from Campbell Town.
"I know dodgy and that sounded dodgy to me," Ms Jackson said.
"He (Purkiss) was adamant that it had to be that day."
The Crown alleged Mr Purkiss lured Mr Davies to his property with a story about viewing the motorcycles in order to kill him as part of an agreement with Ms Otto.
"Who looks at a Harley at that time of night?" Ms Jackson said.
"You'd at least want to take it for a ride."
Ms Jackson said she knew Mr Davies for about ten years, having become "close friends" in the year before his death.
In the two weeks before his death, Ms Jackson said Mr Davies asked for her help to procure firearms and gave her a list of the items he wished to buy.
The note, which listed a variety of guns he was seeking with a list of firearms that were for sale or swap, was read to the court.
Ms Jackson told the court she was confident Mr Davies did not write the note himself and Mr Davies was securing the weapons for someone else.
"It (the note) was not his handwriting," she said.
Ms Jackson said she was familiar with Mr Davies' handwriting.
"I've got it tattooed on my body," she said.
Ms Jackson said she put the note in her handbag and forgot about it.
The trial of Mr Purkiss and Ms Otto will continue before Chief Justice Blow on Friday.