No and no.
Lumity is just another new release where there have been small and incremental improvements to the previous version. Hearing aids for the last 30 years - arguably since they went digital have attempted to deal with noisy situations. Do not believe the hype that Lumity is now a total solution. It is a difficult problem to solve and it becomes more difficult the more difficult the loss, in-particular for severe losses and beyond. It might be the case that you will receive little to no benefit at all because you may need improvements of up to 20DB in signal to noise ratio to hear in noise. In which case you would need assistive devices.
For your loss, Lumity is not suitable as your loss is profound. You will need a super-power BTE aid, or more accurately an ultra-power UP aid. This is for a few reasons. One - it will have more output, probably an MPO of 135DB+ and gain of 80DB+. Two, the hearing aids are usually optimised for dealing with people with severe and profound losses, so as an example they could have 2 receivers - Phonak, or they will have modifications to deal with feedback - for example on the Xceed the microphone is designed to reduce feedback, to deal with the output requirements. Three, in these aids the fitting formula is specifically tailored to deal with people with severe and profound losses - so for example with the Oticon Xceed, a high kneepoint is used to limit the amount of compression, which they say delivers more clarity.
I am not an audiologist but I am sure most people on here would recommend an ultra power aid + the use of some assistive devices, or a cochlea implant for your loss.