The Wilderness Guardians - OSRS Clan - PvP, PvM and More - OSRS Mobile Clans

So I'm having a hard time deciding what combat style I should use to PvM with... I've been told Magic is OP but others tell me Melee is better and all this other stuff so I'm here to ask the pros of RS3 PvM. What is better when it comes to bossing Magic, Melee or Range. Please explain why its better and what gear I should look to get etc. Thanks in advance friends.

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My RuneScape Name: Mack
My Previous RSNs: Mack Punta Party Pjr Afromack
My Combat Level: 100
My Stats:

About my RuneScape Account and History: Played RS with my older cousin when i was 9-10 (2001ish) Died for my gear on it when I wasnt with my cousin and just didnt play for about 2 years. Came back in 2003 and made an account called Afromack2 which was my main account used up until I made my first pure in 2005. My old RSN was because I had an afro irl and my irl name was mack. Im a pvper at heart but I do enjoy pvm as well. Favorite skill is Attack (I just like the cape lol).
My past clans/teams and any current teams: I joined my first clan at the end of 2005 called Old Dynasty which was my clan till it closed in 2006. 2006- Dec 10 2007 I was a co leader of a clan called Undesired Damage. After wilderness getting taken away I took a small break (2-3 months) and got my pure defence because I believed pures were useless in BH. April 2008 I helped open a pure clan named Carnage ( Account being used at the time was Punta Party). I was the co leader up till 2009 which then I was promoted to leader. Sadly during the beginning of 2009 the founders of the clan and I got into a fight which then resulted in me blacklisted from the clan. After this I trained my pures defence and joined a clan Higher Force. I stayed with HF from 2009-2010  (I left here and there due to personal reasons). I left in may of 2010 due to me wanting to make a pure clan again to fight against Carnage. This pure clan ran from May-Aug 2010 due to school etc leadership and I couldn't lead so we had to close it. After I sorted out my personal life I was asked by the leaders of Carnage to rejoin and help with wars. I was promoted to warlord after 3 months of leading trips/wars. At the beginning of 2011 I was kicked because another rank told the founders I was thinking of opening another clan. After being kicked I re-opened Havoc again which ran from 2011-2013 (When EoC came out we closed). After that I quit RS till the announcement of 07scape. I came back to run Havoc once again but due to lack of interest from my members I decided it was best just to close down for good. I joined MM for 1 month but due to lack of interest for the game in general I ended up quitting and leaving my account.
About me: My name is Mack im 21 from Hawaii (USA) but live in New Zealand with my gf at this time. Gaming/Chilling out is my hobby lol. I love music that is good but im mostly into Eletronic music Rap and Rock. Nothing much apart from that apart from I like sports and chilling out with friends.
I heard about WG through: Youtube/Zybez
I want to join because: A few weeks ago a few of old friends came back and wanted to PvM/PvP in 07rs and they asked me if I wanted to join them. So now im getting back into the game and looking forward to playing with my friends. The other day I was browsing through Zybez and saw the WG recruitment vid which impressed me a lot just gonna throw it out there. After watching that I saw a vid called Why RS is dying and I clicked it expecting to watch maybe for the first 2-3 mins and then exit out. Well I ended up watching the WHOLE thing being so interested in what His_Lordship had to say and how to fix RS itself. Which got me thinking if a Leader of a clan is so passionate about PvP and RS itself he must be 10x more passionate about  his clan.
Regarding the IRC, I am: Registered (SwiftKit user)
Regarding TeamSpeak 3, I have: Installed
Regarding future events which may impact my activity: In 6 months I could be moving to a different country but I will not be inactive for more than 2 weeks.