Q.Is My Forest Flame Dead
The bottom of the plant seems to dead the leaves on the top seem to be ok can you tell me what’s wrong with it please ?

Certified GKH Gardening Expert
It looks bacterial. This is common when soils remain too moist for too long without a chance to let it dry out. This will need to be treated. Fungicides and bactericides overlap on most occasions, so you may need to try a few things before you find what works in your specific case.
Here are some articles that will help:
https://www.gardeningknowhow.com/garden-how-to/info/using-fungicides-in-garden.htm
https://www.gardeningknowhow.com/special/organic/biofungicide-information.htm
https://www.gardeningknowhow.com/garden-how-to/info/homemade-fungicide.htm
https://www.gardeningknowhow.com/garden-how-to/info/applying-bactericide-to-plants.htm
Here are a couple of articles that will help you with the general care of the shrub:
https://www.gardeningknowhow.com/ornamental/shrubs/japanese-andromeda