paru -S krunner ✔ 41s
resolving dependencies...
looking for conflicting packages...
Packages (41) kactivities-5.109.0-1 kauth-5.109.0-1 kbookmarks-5.109.0-1 kcodecs-5.109.0-1 kcompletion-5.109.0-1
kconfig-5.109.0-1 kconfigwidgets-5.109.0-1 kcoreaddons-5.109.0-1 kcrash-5.109.0-1 kdbusaddons-5.109.0-1
kdeclarative-5.109.0-1 kded-5.109.0-1 kglobalaccel-5.109.0-1 kguiaddons-5.109.0-1 ki18n-5.109.0-1
kiconthemes-5.109.0-1 kio-5.109.0-2 kirigami2-5.109.0-1 kitemviews-5.109.0-1 kjobwidgets-5.109.0-1
knotifications-5.109.0-1 kpackage-5.109.0-1 kservice-5.109.0-1 ktextwidgets-5.109.0-1 kwallet-5.109.0-1
kwayland-5.109.0-1 kwidgetsaddons-5.109.0-1 kwindowsystem-5.109.0-1 kxmlgui-5.109.0-1
libdbusmenu-qt5-0.9.3+16.04.20160218-6 media-player-info-24-2 plasma-framework-5.109.0-1
polkit-qt5-0.114.0-1 qca-qt5-2.3.7-1 qt5-multimedia-5.15.10+kde+r3-1 qt5-speech-5.15.10+kde+r1-1
qt5-wayland-5.15.10+kde+r57-1 solid-5.109.0-1 sonnet-5.109.0-1 threadweaver-5.109.0-1 krunner-5.109.0-1
Total Download Size: 41.58 MiB
Total Installed Size: 133.02 MiB
This is still alot for one tool, but as far as I can see it will not install the whole plasma desktop again. I am running GNOME, so not sure if GNOME already brings some dependencies not mentioned in my output.