Forum:Negating the activation

If a monster card his unaffected by spell, trap, and monster effect, and that monster also have an effect that activated, can you negated the activation of that monster effect, and would its activated effect still be negated, however he would not be destroyed because he his unaffected his this correct?S.nickid (talk • contribs) 02:26, September 25, 2017 (UTC)