From c807b455751e061f95fcb4a4e2ffe64e4391a0b2 Mon Sep 17 00:00:00 2001
From: criller7070 <crillerhylle@gmail.com>
Date: Wed, 24 Jun 2026 01:09:32 +0200
Subject: [PATCH 1/2] [Gear] Trinket - Wavecaller's Seastone

---
 engine/player/unique_gear_midnight.cpp | 46 ++++++++++++++++++++++++++
 1 file changed, 46 insertions(+)

diff --git a/engine/player/unique_gear_midnight.cpp b/engine/player/unique_gear_midnight.cpp
index 37d94b8039c..c7fbe7f3469 100644
--- a/engine/player/unique_gear_midnight.cpp
+++ b/engine/player/unique_gear_midnight.cpp
@@ -3079,6 +3079,49 @@ void sporelords_mycelium( special_effect_t& effect )
       }
     } );
 }
+
+// Wavecaller's Seastone
+// 1295058 Driver
+// 1295057 Tidal Insight Buff
+void wavecallers_seastone( special_effect_t& effect )
+{
+  auto buff = create_buff<stat_buff_t>( effect.player, effect.player->find_spell( 1295057 ) )
+                ->set_stat_from_effect_type( A_MOD_STAT, effect.driver()->effectN( 1 ).average( effect ) );
+
+  struct wavecallers_seastone_cb_t : public dbc_proc_callback_t
+  {
+    stat_buff_t* tidal_insight;
+    bool going_up;
+
+    wavecallers_seastone_cb_t( const special_effect_t& e, stat_buff_t* b )
+      : dbc_proc_callback_t( e.player, e ), tidal_insight( b ), going_up( true )
+    {}
+
+    void reset() override
+    {
+      dbc_proc_callback_t::reset();
+      going_up = true;
+    }
+
+    void execute( const spell_data_t*, player_t*, action_state_t* ) override
+    {
+      if ( going_up )
+      {
+        tidal_insight->trigger();
+        if ( tidal_insight->at_max_stacks() )
+          going_up = false;
+      }
+      else
+      {
+        tidal_insight->decrement();
+        if ( !tidal_insight->check() )
+          going_up = true;
+      }
+    }
+  };
+
+  new wavecallers_seastone_cb_t( effect, buff );
+}
 }  // namespace trinkets
 
 namespace weapons
@@ -4116,6 +4159,9 @@ void register_special_effects()
   set_min_version( wowv_t( 12, 0, 7 ) );
   register_special_effect( 1284696, trinkets::sporelords_mycelium );
   reset_version_check();
+  set_min_version( wowv_t( 12, 1, 0 ) );
+  register_special_effect( 1295058, trinkets::wavecallers_seastone );
+  reset_version_check();
   // Weapons
   register_special_effect( { 1253357, 1253359 }, weapons::torments_duality );  // umbral sabre & radiant foil
   register_special_effect( 1266257, weapons::lightless_lament );

From 9ae8a6084a23bf2fcb9a0f7521151fac12a5b026 Mon Sep 17 00:00:00 2001
From: Christian Seestern Hyllested <crillerhylle@gmail.com>
Date: Wed, 24 Jun 2026 18:50:34 +0200
Subject: [PATCH 2/2] simplified seastone implementation

---
 engine/player/unique_gear_midnight.cpp | 46 ++++++--------------------
 1 file changed, 10 insertions(+), 36 deletions(-)

diff --git a/engine/player/unique_gear_midnight.cpp b/engine/player/unique_gear_midnight.cpp
index c7fbe7f3469..8669674516f 100644
--- a/engine/player/unique_gear_midnight.cpp
+++ b/engine/player/unique_gear_midnight.cpp
@@ -3085,42 +3085,16 @@ void sporelords_mycelium( special_effect_t& effect )
 // 1295057 Tidal Insight Buff
 void wavecallers_seastone( special_effect_t& effect )
 {
-  auto buff = create_buff<stat_buff_t>( effect.player, effect.player->find_spell( 1295057 ) )
-                ->set_stat_from_effect_type( A_MOD_STAT, effect.driver()->effectN( 1 ).average( effect ) );
-
-  struct wavecallers_seastone_cb_t : public dbc_proc_callback_t
-  {
-    stat_buff_t* tidal_insight;
-    bool going_up;
-
-    wavecallers_seastone_cb_t( const special_effect_t& e, stat_buff_t* b )
-      : dbc_proc_callback_t( e.player, e ), tidal_insight( b ), going_up( true )
-    {}
-
-    void reset() override
-    {
-      dbc_proc_callback_t::reset();
-      going_up = true;
-    }
-
-    void execute( const spell_data_t*, player_t*, action_state_t* ) override
-    {
-      if ( going_up )
-      {
-        tidal_insight->trigger();
-        if ( tidal_insight->at_max_stacks() )
-          going_up = false;
-      }
-      else
-      {
-        tidal_insight->decrement();
-        if ( !tidal_insight->check() )
-          going_up = true;
-      }
-    }
-  };
-
-  new wavecallers_seastone_cb_t( effect, buff );
+  effect.custom_buff = create_buff<stat_buff_t>( effect.player, effect.player->find_spell( 1295057 ) )
+                  ->set_stat_from_effect_type( A_MOD_STAT, effect.driver()->effectN( 1 ).average( effect ) )
+                  ->set_stack_change_callback( [ effect ]( buff_t* b, int, int new_ ) {
+                      if ( new_ == b->max_stack() )
+                        make_event( *effect.player->sim, 0_ms, [ b ] { b->set_reverse( true ); } );
+                    } )
+                  ->set_expire_callback( [ effect ]( buff_t* b, int, timespan_t ) {
+                    make_event( *effect.player->sim, 0_ms, [ b ] { b->set_reverse( false ); } );
+                  } );
+  new dbc_proc_callback_t( effect.player, effect );
 }
 }  // namespace trinkets