Necromancer Towers improvements

Previous beta updates have been moved to the main branch!

These updates were primarily focused on improving the necromancer Towers.

[dynamiclink href="https://store.steampowered.com/news/app/2116060/view/683003412174866197"][/dynamiclink]

[dynamiclink href="https://steamcommunity.com/games/2116060/announcements/detail/668365445444666228"][/dynamiclink]

[dynamiclink href="https://steamcommunity.com/games/2116060/announcements/detail/678497909513126612"][/dynamiclink]