Art of War · 3.6.7 version

1. New troop: Nun
2. Hero stats adjustment:
Arthur：
Attack speed: 1→1.3
Move speed: 30→35
Defence: 100-750→200→800
The number of the shield that protect allies from several hits：3→3-4
The number of basic attack that trigger Legendary skill：3→2
Selene:
The lasting time of Passive skill: 3-6→3-7
3. Troop stats adjustment:
Meteor Golem
Trigger Number: 5→3
Range: 3x6→4x10
The first attack use skill intead of basic attack.
4. Optimized the music and the sound effect.