Effects of two rolls for healing corruption

Question

I am unsure of how healing corruption works as stated.

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Heroes reduce their current Shadow rating attempting a Craft or a Song roll with TN 14. On a successful roll, they reduce their score by 2 points on a success, 4 points on a great success, and 6 points on an extraordinary success (Permanent Shadow points gained when suffering from a bout of madness can never be healed -- see page 226).

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Characters spending their Fellowship phase in a sanctuary are entitled to two rolls, while heroes who returned home are allowed a single roll instead.

When it talks about two rolls, does that mean they roll twice in craft/song and take the best result, they can roll both a craft and song, or roll two of one?

Answer 1

Heroes in a Sanctuary can make two attempts to Heal Corruption, whereas those who travel home can only make one attempt

From The One Ring (p198):

Heroes reduce their current Shadow rating attempting a Craft or a Song roll with TN 14. On a successful roll, they reduce their [Shadow rating]

From this, it is clear that "a roll" == "an attempt". Thus, when it goes on to say (The One Ring, p198):

Characters spending their Fellowship phase in a sanctuary are entitled to two rolls, while heroes who returned home are allowed a single roll instead.

this means that Heroes in a Sanctuary can make two "attempts", i.e. they have two independent chances to roll Craft or Song and succeed in reducing their Shadow rating.