SB 12.8.31

dṛṣṭvā nistejasaṁ kāmaṁ
 sa-gaṇaṁ bhagavān svarāṭ
śrutvānubhāvaṁ brahmarṣer
 vismayaṁ samagāt param
Synonyms: 
dṛṣṭvā — seeing; nistejasam — deprived of his power; kāmam — Cupid; sa-gaṇam — along with his associates; bhagavān — the powerful lord; sva-rāṭ — King Indra; śrutvā — and hearing; anubhāvam — the influence; brahma-ṛṣeḥ — of the sage among the brāhmaṇas; vismayam — astonishment; samagāt — he attained; param — great.
Translation: 
The mighty King Indra was most astonished when he heard of the mystic prowess of the exalted sage Mārkaṇḍeya and saw how Cupid and his associates had become powerless in his presence.