Minimum Requirements:
===================
Armor: NONE
Weapon: Copper Sword
Item: Naughty Present/ Pumpkin Medalion
Life:100
Mana:0

Reccomended:
============
Armor: Any post-Plantera armor
Weapon: Any post-Moon Lord weapon
Item: Naughty Present/ Pumpkin Medalion
Life:500
Mana:200

Using the reccomended items will cut down on time significantly, however this guide CAN be completed with a brand new character

Navigate to your terraria directory (C:\Program Files (x86)\Steam\steamapps\common\Terraria) and open the TerrariaServer application

Select a world
Open it in the server and use default settings
Join via IP

Go to the console and type the command "dusk", this will set the time to 7:30pm. Now initiate the Pumpkin Moon by using the pumpkin medalion or the Frost Moon with the naughty present. Fight the enemies normally. If wave 15 is not reached by 4:00am, return to the console and type "dusk" again to reset the time to 7:30pm, this will not affect your status in the Moon event. repeat until the achievement is unlocked