An ancient elven ranger wear torso armor on arms

[Crusader]

An ancient elven ranger is using:
<worn on feet>      a pair of boots woven from green leaves

<worn on arms>      a leather armor made of hardened green leaves <----- have to be weared on torso

<worn as shield>    a shield made of hardened green leaves
<worn on waist>     a rounded branch of an oak tree
<wielded>           an ancient staff made of hardened redwood

[Werewolf]

It is not a bug, but rather area defect.

[Habbakuk]

Fixed, coming next reboot.