The players were tasked, by their patron, to capture or kill a group of bandits harrying the lands. Upon dispatching the lone sentry and bursting into the ruins they used as a hideout, the Humakti moved to slay the scoundrels. Another player said, "Whoa! A Humakti would never act so dishonorably!" He read an excerpt concerning honor in general, as well as one aimed particularly at the Humakt cult. The offending player reconsidered and changed his actions, already regretting having attacked the sentry from surprise.
This got me thinking.... Humakt, and his cult, embody Death and the Death Rune. Just as Orlanth embodies Air & Movement and Ernalda Earth & Harmony. Many other deities/cults share these runes, but these deities own them. How is Death necessarily honorable? Death is uncaring of such human inventions. Why would the Humakt cult put such a huge emphasis on honor? To stymie death? (your foe surrenders and drops his weapon, honor bound you must spare him, robbing death).
Yanafal Tarnils.... He, in a way, turned his back on Death and turned towards the Red Moon. He has altered some basic tenets (such as resurrection) already, so I can definitely see them incorporating the ideals of honor into their new cult. I get it.
Humakt? Yeah, there's the attachment to the Truth Rune, but truth doesn't necessarily equate to honor. Death Rune = Cold, Merciless, Cruel, Relentless. Honorable? I don't think so. Death knows nothing of honor. Visit a battlefield and see.