Well, that was a work flow interruption. Finally figured out how to get it out.
Step 1- Remove decap pin collet. Decap/ball pin now can be used as a punch.
Step 2- Shot of penetrating oil in die. Kroil in my case.
Step 3- Hold die in hand and give top of decap pin a sharp whack with a hammer. Light blow first and increase strength of whacks until the decap pin loosens the stuck casing. Just one blow was needed in this case. That actually surprised me considering the case was so stuck that was ripping the rim off the shell.
Step 4- Now you still have a decap/ball pin trapped inside of casing. Chuck up the base of the case in battery operated Makita drill. If right handed, hold drill in right hand. Turn on drill. Left hand wields a hacksaw blade like a sword of triumph. Use hacksaw blade to carve a groove in the shell casing just below the shoulder of the necked area of the brass casing. Tilt drill upward so that expander ball is down in the base of the casing. This prevents the ball from being scratched by the hacksaw blade when it finally makes it's way through the spinning case wall.
Step 5- After case necked area and base of case separate remove base of case from drill, necked section off pin and chunk both pieces of case in the trash with a "Gotcha, dammit" evil grin of conquest.
Step 6- I used a steel hammer in Step 3, so collet end of decap/ball pin rod had slight peen bur. Stone it off burs with a whetstone. Reassemble die and use.
Step 7- Place another order for a spare resizing/decap die so your reloading plans will not be interrupted next time.
Side note......This also explains an issue I was seeing on the first few experimental trial rounds I did previously. This one particular case did not require any more force than previously resized/decapped cases. It was like the brass was just softer. Once fired, factory ammo with Barnes casings, BTW. On my first run of 34 rounds I was getting differing COL's on finished rounds. Some varied as much as .007"s. I think the retract force on the press on the soft brass was slightly warping the rim area on the case heads. This would explain the COL variances on finished rounds. I am using the correct shell holder in the press. It came with the die set. I am also using Imperial resizing wax. Not sure how to fix this issue. I assumed Barnes casings would be good to go.