I've been investigating the new Artisans Workshop, and have found that some of the armour on the walls by the Ceremonial Armour area... come to life!

 

So far I've seen:

 

Smith Ancestor

Level: 43

LP: 500

Attack style: Melee

Examine: An ancient spirit has made itself at home within this suit of armour.

 

Miner Ancestor

Level: 43

LP: 500

Attack style: Melee

Examine: An ancient spirit has made itself at home within this suit of armour.

 

Warrior Ancestor

Level: 66

Attack style: Melee

LP: 610

Examine: An ancient spirit has made itself at home within this suit of armour.

 

--Other notes:

Killing these monsters gives, instead of drops, a bit of respect (to be used for rewards from Elof downstairs in the workshop).

Upon killing one, a message appears in your chat: "For laying this ancestor to rest, you gain some respect."

Deflect curses DO work on these monsters; needless to say, Protect prayers also protect 100% against their hits.

None of these monsters: are aggressive, are poisonous, retreat.

 

If I'm missing anything, please tell me! (e.g. The exact percentage (%) of respect earned per kill.)

Thank you so much for this thorough information. Entries have been drafted in the database and should appear soon! You've been credited :)