Change the blending mode of the "Glitter" layer to Color Dodge. Add a layer mask and hide the glitter/sparks until you have something like the image below.
Duplicate the "Glitter" layer and place it on the wooden part of the scythe. If needed further hide unwanted parts in the layer mask.
Open the file "Texture". Copy and paste into our scene and convert to smart object.
Change the blending mode of the "Texture" layer to Multiply. Add a layer mask and hide the texture outside the death figure body.
Create new layer and with the chalk brush paint some orange color (#8c1a12) into the cracks.
Double click the painted layer you just created and use the settings shown below.
Create a new layer and change the blending mode to Overlay. With a soft brush at 10% Opacity paint with white over the cracks in order to make them brighter.
Create another layer and change the blending mode to Overlay. Choose # 5e0600 as foreground color and with the same soft round brush at 20% Opacity paint over the cracks again in order to make them look hot.
Create a new layer and change the blending mode to Color Dodge. Choose # ff1100 as foreground color and paint again over the cracks with the soft brush to add a powerful glow.
Group all the crack layers together (the texture and the following painted layers). Duplicate the group and move it over the head of the death figure. Resize it a bit. Add a layer mask to show the cracks only on the head area.
Group all the groups and layers that we created until now related to the death figure.
Create a new layer (or two) and import the bird brush. Create two groups of black birds in the scene.
Open the file "Cross". Copy and the paste the cross into our scene. Convert it to smart object and position it as shown below.
Create a Curves Adjustment layer and clip it to the cross layer. Drag the curve down to darken. Group the Curves and the cross layer together and name the group "Cross".
Duplicate the "Cross" group and using the free transform resize and place it as shown below.
Open the file "House". Make a selection of the house. Copy and paste the house in our scene. Convert the house to smart object and place as shown below. Lower the opacity to 60%.
Create a new layer and using a yellow color (#f5dd16) and paint some light on the indicated window of the house. Group the house and the light layer together.
Create a new layer and using the smoke brush create some smoke over the house and the crosses.
With the flame brushes you imported earlier and a dark orange color (#b45c24) paint some flames in the areas indicated below.
Open the file "Dead Tree". Copy and paste the tree into our scene and convert it to a smart object. Place it all the way to the left side of the scene so only a few branches are visible.
Create a Curves Adjustment layer and clip it to the tree layer. Drag the curve down as shown below in order to darken the tree.
Open the "Skeleton1" file. Copy and paste the skeleton into the scene and convert it to a smart object. Resize is as shown below.