These are the packages that would be merged, in order:

Calculating dependencies ... done!
Dependency resolution took 0.96 s (backtrack: 0/20).

[ebuild  N     ] kde-plasma/breeze-grub-6.6.6-r1:6::gentoo  1412 KiB

Total: 1 package (1 new), Size of downloads: 1412 KiB