Troll Alchemists

Certainly the most odd and eccentric of all the trolls,
the alchemists are looked upon with constant suspicion,
but also with tolerable  respect by the other trolls in 
light of the unquestionably useful services they render
to the rest of the clan.  Offset by physical weakness, 
these usually gaunt and sickly whelps make up for 
absence of fighting prowess by possessing ingenuity and 
cunning through their knowledge of the strange arts of 
alchemy.  They prefer to live outside of the clan, 
usually in caves to conduct their precious experiments,
but for protection they must constantly brew all sorts
of mixtures for the unruly mob of hardy trolls; things
ranging from unnaturally strong liquors and crude 
explosives, to the bizarre chemical potions imbibed by 
the troll berserkers.  Cunning with an aptitude for 
destruction makes the troll alchemists a force to be 
reckoned with.