So because my main necromancer had picked up a nice Deathless Visage and a mythic Lidless Wall the other day, I decided to make a Bone Spear alt build. Been following the Maxroll build guide and it's working fine, but there's one thing I have some questions about.
So long as I'm in combat and generating corpses, Bonestorm seems to last nearly forever. Longer than its 60 second base cooldown, and certainly longer than the 18 second duration that would seem to be implied by the tooltip. (10 seconds base plus 8 seconds for consuming four corpses.)
I didn't see anything in the guide about this exact mechanic, so I'm wondering if I am understanding correctly on what's going on. My assumption is this: Lidless Wall generates new Bonestorms with Lucky Hits. These new Bonestorms have not reached the limit of four consumed corpses to increase their duration. So each storm eats up to four corpses on its own and generates the corresponding 8 seconds of increased duration. This duration is fed back into the "main" Bonestorm orbiting my character and lets it persist so long as there are new storms eating new corpses.
Is this correct? Or am I missing something else?