Making a World of Warcraft... Kinda.

Title sounds very naive, please excuse this! I am referencing WoW because that way everybody knows what I am looking for. - Think LoL/WoW hybrid.

What I am looking to create is essentially arena in WoW... With obviously different abilities/characters etc. a MOBA if you will.

I am aware that the graphics won't start out like that, and that it will take a long time.

My first question is obviously where to start? Are there any templates for what I guess would be a MOBA? But with the "cookie-cutter" MMORPG interface like WoW's?

Requirements:

• 3D

• Physics

• 3D pathing (not 2d crap like WoW that is buggy, lets start it right huh?)

• An action bar

• Talent trees

Graphics can litterally just be spheres/simple human shapes interacting with one another on a simple multi-layer plane for the time being, I can create the models later.

to recap: My questions are as follows:

1. Is it possible to create this using Unity3D?

2. Are there any templates available for such a project?

3. Could you recommend any guides to get me started?

4. How does one go about making a game Multiplayer? (think League of Legends style)

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Many thanks!