A Tabularium Factor  

When killed alters the following factions:-

Your faction standing with Heart of Seru got better.
Your faction standing with Eye of Seru got better.
Your faction standing with Seru got worse.
Your faction standing with Katta Castellum Citizens got better.
Your faction standing with Nathyn Illuminious got better.

Also gives the following emote when killed :)

A Tabularium Factor's corpse says 'Well done, you sheep kissing, diseased son of a goblin loving mother. Well done indeed.'