In plain words
Free of affliction, with complete knowledge, bliss, primordial wisdom, independence and inexhaustible, limitless power, that one attains a pure body and reaches Siva himself.
Word for word
That one whose Self is free of affliction, always fully endowed with complete knowledge, bliss, primordial knowledge, independence, and power without exhaustion or limit, attains Siva himself, having attained a pure body.