a dragons cave for sweet loot and high level training

hey guys its jack again with a twisted idea and this time it is a drags cave for high levels not in wild and they can get loot the number of drags below.
3 green drags
3 blue drags
3 red drags
3 black drags
1 king black dragon
2 bronze drags
2 iron drags
2 steel drags
1 mithril drag
ok thats all tell me what you think and the location of drags is in the well where dust devils are scattered around the cave and kbd in the middle
ty for reading guys
-jack:)