According <p>According to brazilian Tibia Wiki, these raids vary so it's possible that some of creatures don't appear during the raid. I guess you have found two times a raid that Ron The Ripper didn't appear.appear.</p><p>Link to Brazilian TibiaWiki: <a rel="nofollow" href="https://www.tibiawiki.com.br/wiki/Invas%C3%B5es_em_Liberty_Bay#Invas.C3.A3o_de_Pirate_Bosses">https://www.tibiawiki.com.br/wiki/Invas%C3%B5es_em_Liberty_Bay#Invas.C3.A3o_de_Pirate_Bosses</a></p>