The fact of the matter is, we don't know their status at the end of the series. But the absolute truth is, if the amount of content and the type of content for Daniel and Marius were reversed, the DMers would lose their minds and tell the marimanders they had nothing.
“daniel and armand got back together” they went to new york together and daniel probably stayed there or got put down like a dog before blood communion and armand heart wrenchingly drawing marius’ portrait staring at the falling snow distraught bc he thinks marius is dead