I have been following this too from my interest in UV lights. The 5mm emitters in the UV beast are almost certainly puny in comparison to the modern UV leds. Moreover they are likely to be 385nm or maybe 405nm, where the powerful new ones are 365nm. The tests djozz did 4 more 365nm UV-leds tested show that the LG leds can be overdriven to nearly 3A so a Q8 with these should singe the hair off your arms in comparison to the UV “Beast”. I put three SST-10s in a C8F here and was really happy with the output relative to a single led light.
Curious to see what will come out of this discussion .