Blind lame priest
From GenieWiki
The Blind lame priest is one of the special units in Age of Empires that are only available in he scenario editor. It has zero line of sight, so it can't be seen or selected if there isn't a unit near it, much like the Mercenary. It has range 1 and increased healing powers.
Use in scenario design
The blind lame priest can be used in scenarios with a fixed force to heal wounded units on the way.
Example of use
Most people playing Age of Empires will encounter blind lame priests for the first time in Assassins, scenario 1 of the Yamato campaign.

