Lore-masters usually stand back in battles, carefully controlling the situation on the battlefield. Gwyenleath, on the opposite, is always ready to step in the midst of the fiercest fights, knowing his dragon scale armour and his wits will always protect him. This is indeed the most unique and dangerously looking lore-master's outfit I've ever seen!
Head: Helm of Lainedhel's Watch, white dye (rank 9 medium armour warden head from Glan Vraig)
Shoulders: Malledhrim Shoulder Guards of Rejuvenation, white dye (T6 crafted)
Hands: Malledhrim Gloves of Rejuvenation, white dye (T6 crafted)
Feet: Malledhrim Boots of Rejuvenation, white dye (T6 crafted)
Back: Wood-Wanderer's Cloak, white dye (LOTRO store)