The undead are more likely to be affected by living than the dead, since you possess powerful spells. But, before you are able to take him down, you'll have to build an army of a few hundred to break into his front line. Pay attention. Also, take this list. These are all the people who you'll need to rally around if you want to take down Ivan.
Simon is located at the top of Yanille's Mage Guild. After killing two wizards, you are able to start an exchange. This will only work with Amulet of ghostspeak as well as Ring of Visibility. You're killing my live followers! Are you a follower? Yes! The tower was constructed by me. I am Simon, the Ghostly Mage. You are Simon? Yes. Simon of Yanille.
Good. Good. What do all these bring to me? I'm in need of an army to defeat the Corrupted Guardians. And? I've decided to join. I have a list of Undead Assassin. Okay. If you want me to join the army, I'm going to require my own staff. This seems straightforward enough.
Where can I find it? There is a chance that the owner of the Magic Store on the second floor is holding it. Good luck, and don't meet me again. I am located in the basement of the room that was abandoned in the wizard's Tower.
Simon shrinks and disappears. Visit the Magic Store owner. How can I assist you, fellow mage. I'm in need of Simon's staff. Magic Store Manager: Simon? The Dead Mage? Yes. Simon. Well I suppose I could sell it to you. However, it will be expensive. What is the cost? 100,000 gold. With the Ring of Charos, he will give it to you at 50,000.
If you want to know more about RSorder, you can go to https://www.rsorder.com/