[Search/Help] Halbmond ring

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Hello community, sorry for not speaking deutsch, but i dont know the language..so...sry...anyway, i was playing a private server and i saw a ring that enables the player that whears it to have extra halbemenschen and extra TP...and i wanted to install it on my p.server...but i just don't know how...i have no query no item_list no icons and no knowledge on how to do it...can someone please help me? and if possible, give me a tutorial + the files i need for doing the hm ring?
Thanks in advance