Copy-paste Soulstone (Soulstone Res) macros for Warlock in WoW Midnight: mouseover and focus versions, ready to use. Add Shift/Ctrl/Alt spells, raid markers and a chat callout in the macro builder.
Open the macro window (/macro), make a new macro and paste: #showtooltip /cast [@mouseover,help,nodead][] Soulstone
Open the macro window (/macro), make a new macro and paste: #showtooltip /cast [@focus,help,nodead][] Soulstone