blunderbore stacking ?

do blunderbore armor and ascendancy stacks for 40% life 40% dam and 40% area effect for scion ?

You don't get multiple instances of each buff but the increased shrine effect stacks. 40% from ascendancy + 50-75% from Blunderbore will make it around a 2x multiplier yeah.

All of us shrine enjoyers are hoping you can get a ton of shrine effect and/or duration from atlas relics. The Gull will probably be a multi-divine item at league start.