Gnoblars are often bullied into makeshift crow's-nests at the top of Ogre banners. If an enemy is targeting the Ogres below, the Gnoblar can either give advance warning of the threat, or fall to his death.
Source: Warhammer Fantasy: 7th Edition
Lookout-GnoblarsURL Copied!
URL Copied!
Any character or champion in a unit with a Lookout-Gnoblar benefits from a "Look Out Below" roll. This is exactly the same as a "Look Out, Sir!" roll, but the unit in question need only number three non-character models (including champion) instead of five to qualify.