Madame LeMeg, Derek and Nevaeh are having a ritual to summon the festive spirit.
They just need five elements of the season inserted into the ritual fire.
This is the low-spoiler guide for "Ritual for the festive spirit" puzzle in The Darkside Detective - A Fumble in the Dark. Unlike in normal walkthrough, you get gradual hints on how to solve the puzzle. Click the big button below to see your first hint. If the hint contains a spoiler, you will be warned about it before clicking.