darkman1983/TrinityCore — comment on commit c8905337420a87ef20250ebb4a2cedde0eab3951
File:  line 0
By BroodWyrm:

Its only for Scripting propose ...
example:
http://www.wowhead.com/item=45083 has "Requires Black Knight's Gryphon"
Trinity DB has a Spelltrigger Gobject ... but it is a custom object.
With this focus the creature can be scripted and the item works with the Creature