[dev1206] The effects of Protect and Shell have been made mutually exclusive

[Atoli]

That may be what it says in your language, but I'm telling you what it says in Japanese, the original language. Perhaps it's a Japanese typo then.

I know what it says in Japanese, that's why I said it's formulated badly.
Read the last sentence you quoted again to understand what was presumably meant with "overwriting".

Otherwise, sure, go on and explain how the original Protect effect of enhancing the physical defense can be gained after rank 24