Archery [615]
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Usage:  USE 615
Time:   seven days

Learning 615 gives the noble a +50 missile attack rating.

Each seven-day use raises the noble's missile rating by
3-5 points if his starting level is less than 100, and 1-3
points thereafter.  5% of the time the noble will have an
exceptionally good study period and will gain 10 points.

Knowledge of Archery also allows the noble to train archers and
elite archers, via the TRAIN order.