The wolf appears not to hear his companion's suggestion, instead prowling towards the scent of Aspis, looking for ankles to bite.
Stealth: 1d20 + 6 ⇒ (11) + 6 = 17
Readied attack
Bite: 1d20 + 2 + 1 ⇒ (15) + 2 + 1 = 18 for: 1d6 + 1 + 1 ⇒ (3) + 1 + 1 = 5 with trip