Duncan went on to a storied career with the Welsh National Team, moving

from Beater to Keeper and playing for the World Cup-winning Welsh Squad

of 1910. Duncan served with valor in the Goblin Wars and was instrumental

in the reconstruction of Gringotts Bank following the Armistice of 1918. Duncan

had studied Magical Mining at school, and he oversaw the construction of the

bank's lower labyrinth between 1925 and 1931. Suspicion swirled around Duncan

after the Great Gringotts Job in '33, and it was widely rumored that Duncan had

forged a key that could open any chamber in the bank. Though the subsequent

investigation proved charges against Duncan's old teammates Desmond and

Alexander Last, Duncan's involvement was never proved; and the so-called

'Key of Duncan', if it exists at all, was never found.