Unity is offering a number of Asset Store bundles at discount until the end of the year.
Best of 2018 Bundle
Save 33% on ten of the very best assets of 2018, combined in this limited time bundle. Pay only for the assets you don't yet own. This deal expires January 6, 2019 at 23:59:59 PST.
55% off Bundles
Save 55% when you purchase the below bundles before December 31 at midnight PST:
Procedural Worlds Library
Get all the tools from Procedural Worlds, publishers of Gaia and many other popular assets.
Polygon Library
Get the entire library of POLYGON assets from Synty Studios, one of the top publishers in the 3D model category.
Heroic Fantasy Characters
90 characters and creatures, rigged, animated, and ready to drop in your project. Save over $550.