here is something to try out that might help with finding location and passing off the core..sends a pst and pings the map
/use Tainted Core
/run f=SendChatMessage w="WHISPER"c="Tainted Core"t="target"u=UnitName(t)if IsItemInRange(c,t)==1 then f("You have the "..c,w,nil,u)f(u.." has "..c,"RAID")else f("Can't throw core at you. Get close!",w,nil,u)Minimap:PingLocation(0,0)end