Feeling ambitious - human male low poly mesh and sculpt

Hi everyone, I'm in the process of improving my skills in blender, particularly in sculpting and topology. To this end, I decided to create a 3d model of a character from a story I am writing.
I first created the concept art you see below.



Then, I created a low poly mesh, in which I tried my best to stick to the rules of good topology. after this, I added the multires modifier and began my sculpt.




So far so good, however, I had to re-do his hand's topology, to which I have gotten this far;



However, I'm concerned that I haven't done it correctly. is there any danger in having too many 5 edged vertices so close to one another? is there a better way to do it? please don't be shy to tell me what you think, I'm self taught so these small interactions are really what I learn from most.

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