more items from those sacks, 101-150 do give silver ones that can be appraised for i think scob stuff (replica high allagan gear HQ) and many other stuff.. 151-200 do give gold sacks that can be appraised to get those replica HW primals weapons ravana&bismark and many other things, in gold sacks u might find a mount (dark skinned pegasus)
every clear of set of floors u get +1/+1 i think this apply on 101+ (cant remember) then u get 1 gelmorran potsherd as well for every clear of set of floors from 101 (or was it 151?)

then new weapon, u can enchance ur padjali to kinna, i235 --> i255, to do so u need ur padjali in inventory and 60/60 aetherpool gear, max aetherpool gear is now 99/99