diff --git a/engine/class_modules/warlock/sc_warlock_actions.cpp b/engine/class_modules/warlock/sc_warlock_actions.cpp
index e2b26ace6c3..af996ae7ee8 100644
--- a/engine/class_modules/warlock/sc_warlock_actions.cpp
+++ b/engine/class_modules/warlock/sc_warlock_actions.cpp
@@ -836,6 +836,9 @@ using namespace helpers;
         base_td_multiplier *= 1.0 + p->talents.kindled_malice->effectN( 3 ).percent();
         base_td_multiplier *= 1.0 + p->talents.sacrolashs_dark_strike->effectN( 1 ).percent();
 
+        if ( soul_harvester() && p->hero.sataiels_volition.ok() )
+          base_tick_time *= 1.0 + p->hero.sataiels_volition->effectN( 1 ).percent();
+
         triggers.ravenous_afflictions = p->talents.ravenous_afflictions.ok();
 
         affected_by.deaths_embrace = p->talents.deaths_embrace.ok();
@@ -2168,6 +2171,14 @@ using namespace helpers;
       return m;
     }
 
+    void execute() override
+    {
+      warlock_spell_t::execute();
+
+      if ( soul_harvester() && p()->hero.sataiels_volition.ok() )
+        p()->buffs.nightfall->trigger();
+    }
+
     void impact( action_state_t* s ) override
     {
       warlock_spell_t::impact( s );
diff --git a/engine/class_modules/warlock/sc_warlock_init.cpp b/engine/class_modules/warlock/sc_warlock_init.cpp
index ab5535c162f..70639326ea9 100644
--- a/engine/class_modules/warlock/sc_warlock_init.cpp
+++ b/engine/class_modules/warlock/sc_warlock_init.cpp
@@ -577,6 +577,8 @@ namespace warlock
     hero.wicked_reaping_dmg = find_spell( 449826 );
 
     hero.quietus = find_talent_spell( talent_tree::HERO, "Quietus" ); // Should be ID 449634
+
+    hero.sataiels_volition = find_talent_spell( talent_tree::HERO, "Sataiel's Volition" ); // Should be ID 449637
   }
 
   void warlock_t::init_base_stats()
diff --git a/engine/class_modules/warlock/sc_warlock_pets.cpp b/engine/class_modules/warlock/sc_warlock_pets.cpp
index ef8a80b7ff8..2472987b89c 100644
--- a/engine/class_modules/warlock/sc_warlock_pets.cpp
+++ b/engine/class_modules/warlock/sc_warlock_pets.cpp
@@ -1123,6 +1123,16 @@ struct fel_firebolt_t : public warlock_pet_spell_t
 
     return m;
   }
+
+  double composite_da_multiplier( const action_state_t* s ) const override
+  {
+    double m = warlock_pet_spell_t::composite_da_multiplier( s );
+
+    if ( p()->o()->hero.sataiels_volition.ok() )
+      m *= 1.0 + p()->o()->hero.sataiels_volition->effectN( 2 ).percent();
+
+    return m;
+  }
 };
 
 void wild_imp_pet_t::create_actions()
@@ -1199,6 +1209,9 @@ void wild_imp_pet_t::demise()
     {
       double core_chance = o()->talents.demonic_core_spell->effectN( 1 ).percent();
 
+      if ( imploded )
+        core_chance += o()->hero.sataiels_volition->effectN( 3 ).percent();
+
       if ( !o()->talents.demoniac.ok() )
         core_chance = 0.0;