Morlu Fleshward is a Unique Pants in Diablo IV Season 15. It comes from Beast in the Ice (Lair Boss loot table) - one guide S13 guide; World drop / general unique pool (one guide: 'No known boss drops').
Unique power
You cannot recover above 65% of your Maximum Life but your Defensive Skills deal [300 - 400]%[x] increased damage.
Affixes
Willpower
Skill Ranks to Defensive Skills
Where it drops
Beast in the Ice (Lair Boss loot table) - one guide S13 guide
World drop / general unique pool (one guide: 'No known boss drops')