As always, there's a free trial at United Plugins.
https://www.unitedplugins.com/Plamen/
Also available at AudioDeluxe with the freebie.
https://www.audiodeluxe.com/products/audio-plugins/united-plugins-plamen
I had Halo 1 Lite but they had removed my order and download links from DHPlugins' website.
The 2 Lite version link:
https://dhplugins.com/product/halo-2-lite/
I would consider the upgrade from SE for that price.
Looks like the SE version is still not for sale for everyone like it used to be when Tonex was released.