Their small brains couldn't possibly handle such information.
Perhaps only a mage could perform an act like making an oath.
No choice, Kana could only datafy the two of them for now.
As for why he was willing to datafy the two ogres, it's naturally because over this period, the two ogres had almost completely integrated.
Kana had firmly established the image of a leader in their minds.
Just like children, living with them, over these months, they learned what to do and what not to do.
The most important point is that since following along, they had food and shelter provided, and mostly just carried things around, which was incredibly easy for these ogres.
And they didn't need to go far, just wandered around the village. Compared to hunting, running, and jumping, and going to far places, it was much more relaxed.
Not to mention the human-made food was much more delicious than what they used to cook themselves.
