to get the bloom on the character = 3 copies/references
Character 1 leave clean, it's the refrenced master. It's at the bottom of the stack.
Character 2 ( referenced) This is the dark bleed , Set to Luminosity blend mode.
General-Auto shading radius 2
Shadows- Layer Shading ON Offset 40 Blur 40 Shading Colour - Black Direction -down

Put these 2 characters in a group - masking- hide all- this elimanates the white edge issue.
Character 3 ( referenced) above the other two , outside the masking group. This is the bright bloom. Set to Screen Blend mode.
Blur radius 20, Opacity 20, Auto shading 6
Layer Shading ON , Offset 7, Blur 15, contraction 20 SHading Colour Balck ,angle down.
Bake for 40 minutes on a high Fan Forced Oven.
Serve with a robust red.