Complete the following achievements to unlock Microsoft Gamerscore points.

Achievement	How to unlock	Points
A cruel world	You somehow killed an innocent little bird...	20
A lost friend (secret)	Find and save my childhood buddy.	120
A pile of skulls	Make a total of 352 duels.	30
Bara-Bara	Fully dismember an enemy summoner when finishing him.	40
Blood and stars	Get at least 55 stars from the quest mode.	40
Flying blades	Get rid of a feng blade with a sword attack.	10
Golden league	Win at least eleven duels in survival mode.	70
Iron Mike	Perform successfully a seven big melee attacks combo.	150
Silver league	Win at least seven duels in survival mode.	40
The art of destruction	Your fights destroyed at least 1000 rocks.	25
The eleven old arts	Unlock the eleven styles.	180
The old master	Beat the great master Oji.	200
Trees parry too	Parry incoming bone shards with a shackling root.	50
Wood league	Win at least three duels in survival mode.	25