Sentence:  When you hit a black pudding with an iron weapon that does at least one point of damage there is a good chance it will divide into two black puddings of the same size (but half the hit points IIRC). ... When eaten black puddings confer several intrinsics so AC [armor class] is not the only potential benefit. ... Since black puddings are formidibleSIC monsters for an inexperienced character, <WSD>farming</WSD> is also a good way to die. 
Meaning of the word marked with <WSD> tags:  To engage in grinding (repetitive activity) in a particular area or against specific enemies for a particular drop or item.