Despite being free try this:
https://u-he.com/products/protoverb/
Spend some time with adjusting the sound. It can do horrible too as it aims to recreate the room sound, warts and all. The Valhalla DSP reverbs are the opposite, they are designed to create an idealized sound, sacrificing some realism for musical pleasure (and also being CPU friendly).
Mix that with this tube delay (or similar):
https://www.softube.com/index.php?id=td