That isn't what occurred at all, but it is nice to see you are exceedingly desperate given your evident grasping at straws, very, very short straws.
He creates the Terentateks and the Battle Hydras after fighting Ulic, as the Massassi, after being turned into abominations, show him the Corsair, and he goes straight to Cinnagar afterwards. But it wouldn't be one of your posts if you actually understood context to any degree.
The Dark Reaper is an alchemical super weapon that Kun created to drain thousands of enemy troops, just like, you know, the Golden Globe. You wouldn't have heard of the Force Harvester though, that doesn't surprise me in the least.
'Flounder' is a funny term, a better anology would be describing color to a blind man.
The point being that your claim that he can't effect Ulic with the Force, despite being evidently his far superior, is folly.
So he continued to rise in power and got even stronger due to the Dark holocron... but he didn't grow drastically more powerful? Your logic is quickly collapsing in on itself.
As far as Dooku is concerned, him using the dark holocron hasn't been canon since 2009, do keep up dear:
Records do not reveal the fate of the Sith Holocrons used by Exar Kun and Count Dooku.
- Jedi VS. Sith: The Essential Guide to the Force
Just for clarification, this is the 'fate' of Exar Kun's Dark holocron: