I kind of got bored of Eternal, felt a bit too "whoah hey look at me" vs Doom of old. I liekd the tech, the fact that a 3080 Ti could max our the settings with RT and stil get well over 100fps is something good-sinister.
SO I fully look forward to Dark Ages, though as Alex points out, the gameplay shown so far shows heavy use of screenspace effects, not full RT, so hopefully the final game uses proper RT.