Stone of Change - Eldritch Rituals Cookbook

[Cambo]

Theories:

Domination and Material will always give something that will damage (ie Frost (Water), Flaming (Fire), Holy (Positive), Unholy (Negative), Shock (Air), etc.) That applies to both the Altar of Invation and the Altar of Subjugation. If so, upgrading a weapon at the Altar of Invasion with Domination, Material and Air focus will apply Shock on a Green Steel blank weapon.

Then, upgrading that same weapon on the altar of Subjugation will probably bestow Chain Lightning liek that Warhammer we saw in the WarCry preview. The same will be possible, I assume, with Fire focus giving Flaming and that random fire effect that was on the +9 Dex Hammer (can't find it anymore).

Also, Esclation and Ethereal together seems to give a +6 to a stat so far.

Of course, all of this is assuming.

We also have confirmed evidence of Material and Escalation giving +6 stat (Dextourous Long bow with fire foci) and that relates to my guess above. The hammer you mentioned above is in my examples on the 3 rd post of this thread.
its Fire Foci specialisation is 3 x delayed blast fireball and +2 Dex by the look of it.