"charged essence of hatred"

i"ve been gone from the forums and d2 for quite a little while and started playing again

what i"d like to know is what in the wide wide world of sports is a "charged essence of hatred" ?

it has orange writing like crafted items or runes it dropped from hell meph

and it goes without saying i"m glad to be back|||It is used with other "essences" that get cubed together to make a Token. Tokens allow you to respec your character.

Andariel/Duriel drop an essence

Meph drops an essence

Diablo drops an essence

Baal drops an essence

Cube all four essences together to make a Token.