DCSS Bear race ideas

Race that starts roughly humanish and gradually turns into a large bear.

start: all slots, no innate muts.

get fur 3 progressively like felids. Start at 0 HP apt, +1 every 9 levels (end at +3)
level 9: deformed body, +1 HP
level 18: large size, another +1 HP (boots, gloves, non DA/TLA/robes get removed)
level 27: +1 HP

every 3 levels gain one random out of:
claws+ (no gloves at 3)
large feet+ (no boots at 1)
fangs+ (no helmets at 1)

large feet could give an aux attack that attacks all adjacent like axes.