Ashvathama excelled all in the mysteries (of the science of arms). The twins (Nakula and Sahadeva) excelled every body in handling the sword.
अश्वत्थामा रहस्येषु सर्वेष्वभ्यधिकोऽभवत्। तथाति पुरुषानन्यान् त्सारुको यमजावुभौ॥