Duck is bouncing cheerfully through the bar when her pendant starts to feel warm.

. . . which is totally weird, because it's not glowing, not like there's a heartshard around! It just kinda feels - well, maybe her pendant's confused too.

Or maybe it's reacting to the presence of the gem of author's convenience. Who knows?

Duck looks around for a heartshard anyway. Down, around, under the table, and . . . up . . .