Valmiki Ramayana Bala Kanda Sarga 21 Shloka 12

देवा: devatas, न(वेत्स्यन्ति) will not be able to know how to use weapons, ऋषय: rishis, केचित् न none knows, असुरा: nor asuras, राक्षसा: न nor rakshasas, सकिन्नरमहोरगा: along with kinnaras or mighty serpants, गन्धर्वयक्षप्रवरा: nor gandharvas nor best of yakshas.

No gods nor sages nor asuras in rakshasas nor kinnaras nor mighty serpents nor gandharvas nor the best of yakshas (will be able to know)