en_tn_condensed/luk/10/19.md

authority to tread on serpents and scorpions

"authority to trample on snakes and crush scorpions." Scorpions are small animals with two claws and a poisonous stinger on their tail. Serpents and scorpions in this verse might represent evil spirits.

over all the power of the enemy

"I have given you authority to crush the power of the enemy" or "I have given you authority to defeat the enemy." The enemy is Satan.