 He possesses other weaknesses too; a great shock to his body - for example, from the likes of Doctor Doom when he constructs around him - can make his body so rubbery he loses motor control.Enough energy can reduce him to a liquid state in which he is immobile.Mister Fantastic's strength comes more from the powers of his mind than the powers of his body; indeed, he once told Spider-Man that he considers his stretching powers to be expendable compared to his intellect.