Wikia

Scare Beast
Scare Beast 30 yd range 25 Focus 1.5 sec cast Scares a beast, causing it to run in fear for up to 20 sec. Damage caused may interrupt the effect. Only one beast can be feared at a time.
Usable by
Class	Hunter
Properties
Type	Utility
School	Nature
Cooldown	(GCD 1.5 sec)
Level required	36
Related debuff
Magic Scare Beast Feared. Duration: 20 seconds

Scare Beast is a hunter ability learned at level 36.

Notes

This can be used as crowd control when fighting multiple mobs and one happens to be a beast.
This skill works on druids when they are in Bear form or Cat form, and shamans in Ghost Wolf form.
A scared beast may bring adds.

Patch 2.4.3 (2008-07-15): Scare Beast will now be correctly limited to one target and has had its tooltip updated to display the proper cast time of 1.5 seconds.
Patch 2.4.2 (2008-05-13): The range on this spell has been increased to 30 yards. Where the ability had a max range of 10 yards before. — The change to the casting time never came to be [1].
Patch 1.2.0 (18-Dec-2004): Beasts now have an increasing chance to break free of the effect, such that it is unlikely the effect will last more than 15 seconds.