diff --git a/configure.py b/configure.py
index 0d43a76e2..2f2d0f4a9 100755
--- a/configure.py
+++ b/configure.py
@@ -1501,7 +1501,7 @@ config.libs = [
     ActorRel(NonMatching, "d_a_sitem"),
     ActorRel(NonMatching, "d_a_ss"),
     ActorRel(NonMatching, "d_a_sss"),
-    ActorRel(NonMatching, "d_a_syan"),
+    ActorRel(Matching,    "d_a_syan", extra_cflags=['-pragma "nosyminline on"']),
     ActorRel(NonMatching, "d_a_tag_md_cb"),
     ActorRel(NonMatching, "d_a_tag_mk"),
     ActorRel(Matching,    "d_a_tag_so"),
diff --git a/src/d/actor/d_a_syan.cpp b/src/d/actor/d_a_syan.cpp
index 487584134..d64abfffe 100644
--- a/src/d/actor/d_a_syan.cpp
+++ b/src/d/actor/d_a_syan.cpp
@@ -10,6 +10,7 @@
 #include "d/d_s_play.h"
 #include "d/res/res_syan.h"
 
+#include "weak_bss_936_to_1036.h" // IWYU pragma: keep
 #include "weak_data_1811.h" // IWYU pragma: keep
 
 static f32 b_pos_x[6] = { 870.0f, 420.0f, -420.0f, -880.0f, -400.0f, 440.0f };
@@ -80,7 +81,6 @@ static BOOL daSyan_Draw(syan_class* i_this) {
 
 /* 000004AC-00000CA0       .text daSyan_Execute__FP10syan_class */
 static BOOL daSyan_Execute(syan_class* i_this) {
-    /* Nonmatching */
     for (s32 i = 0; i < (s32)ARRAY_SIZE(i_this->timer); i++)
         if (i_this->timer[i] != 0)
             i_this->timer[i]--;
@@ -91,8 +91,8 @@ static BOOL daSyan_Execute(syan_class* i_this) {
     i_this->field_0x2c8 += i_this->field_0x2d0;
     i_this->field_0x2a4[0].x = i_this->field_0x2bc * cM_ssin(i_this->field_0x2c4);
     i_this->field_0x2a4[1].x = i_this->field_0x2c0 * cM_ssin(i_this->field_0x2c8);
-    i_this->field_0x2b0.y = i_this->field_0x2b8 * cM_ssin(i_this->frameCount * (REG0_S(8) + 800));
-    i_this->field_0x2b0.z = i_this->field_0x2b8 * cM_ssin(i_this->frameCount * (REG0_S(9) + 700));
+    i_this->field_0x2b0.y = i_this->field_0x2b8 * cM_ssin((s16)i_this->frameCount * (REG0_S(8) + 800));
+    i_this->field_0x2b0.z = i_this->field_0x2b8 * cM_ssin((s16)i_this->frameCount * (REG0_S(9) + 700));
 
     switch (i_this->state) {
     case 0:
@@ -135,7 +135,7 @@ static BOOL daSyan_Execute(syan_class* i_this) {
         cLib_addCalc2(&i_this->partScale1[i], i_this->field_0x55c[i], 0.4f, 0.04f);
         i_this->partRotY[i] += 0x100;
         if (i_this->field_0x5a4[i] == 0) {
-            cLib_addCalc2(&i_this->partScale2[i], REG0_F(0) + 0.75f, 0.5f, 0.05f);
+            cLib_addCalc2(&i_this->partScale2[i], REG0_F(9) + 0.75f, 0.5f, 0.05f);
             if (!i_this->emtrEnabled[i]) {
                 i_this->emtrEnabled[i] = true;
                 static cXyz fire_scale(0.7f, 0.7f, 0.7f);
@@ -143,22 +143,23 @@ static BOOL daSyan_Execute(syan_class* i_this) {
             } else {
                 JPABaseEmitter* emtr = i_this->emtrCallBack[i].getEmitter();
                 if (emtr != NULL) {
-                    f32 dirX = (REG0_F(3) + -0.03f) * (i_this->partPos[i].x - i_this->partPosOld[i].x);
-                    if (dirX > 1.0f) dirX = 1.0f;
-                    else if (dirX < -1.0f) dirX = -1.0f;
-                    f32 dirZ = (REG0_F(3) + -0.03f) * (i_this->partPos[i].z - i_this->partPosOld[i].z);
-                    if (dirZ > 1.0f) dirZ = 1.0f;
-                    else if (dirZ < -1.0f) dirZ = -1.0f;
+                    JGeometry::TVec3<f32> dir;
+                    dir.x = (REG0_F(3) + -0.03f) * (i_this->partPos[i].x - i_this->partPosOld[i].x);
+                    if (dir.x > 1.0f) dir.x = 1.0f;
+                    else if (dir.x < -1.0f) dir.x = -1.0f;
+                    dir.z = (REG0_F(3) + -0.03f) * (i_this->partPos[i].z - i_this->partPosOld[i].z);
+                    if (dir.z > 1.0f) dir.z = 1.0f;
+                    else if (dir.z < -1.0f) dir.z = -1.0f;
 
-                    cXyz dir(dirZ, 0.1f, dirZ);
+                    dir.y = 0.1f;
                     emtr->setDirection(dir);
 
-                    f32 dirMag = std::sqrtf(dirX*dirX + dirZ*dirZ);
+                    f32 dirMag = std::sqrtf(dir.x*dir.x + dir.z*dir.z);
                     f32 scaleY = (REG0_F(12) + 2.0f) * dirMag + 1.0f;
                     if (scaleY > REG0_F(13) + 4.0f)
                         scaleY = REG0_F(13) + 4.0f;
 
-                    cXyz scale(1.0f, scaleY, 1.0f);
+                    JGeometry::TVec3<f32> scale(1.0f, scaleY, 1.0f);
                     i_this->emtrCallBack[i].getEmitter()->setGlobalParticleScale(scale);
 
                     cXyz pos(i_this->partPos[i].x, i_this->partPos[i].y + REG0_F(7) + 20.0f, i_this->partPos[i].z);
@@ -185,10 +186,9 @@ static BOOL daSyan_IsDelete(syan_class* i_this) {
 
 /* 00000CA8-00000D1C       .text daSyan_Delete__FP10syan_class */
 static BOOL daSyan_Delete(syan_class* i_this) {
-    /* Nonmatching */
     dComIfG_resDelete(&i_this->mPhs, "Syan");
     for (s32 i = 0; i < (s32)ARRAY_SIZE(i_this->emtrCallBack); i++)
-        i_this->emtrCallBack[i].~dPa_followEcallBack();
+        i_this->emtrCallBack[i].end();
     return TRUE;
 }
 
@@ -206,7 +206,6 @@ static BOOL daSyan_solidHeapCB(fopAc_ac_c* i_ac) {
 
 /* 00000E10-00000FE0       .text daSyan_Create__FP10fopAc_ac_c */
 static cPhs_State daSyan_Create(fopAc_ac_c* i_ac) {
-    /* Nonmatching */
     fopAcM_SetupActor(i_ac, syan_class);
     syan_class* i_this = (syan_class*)i_ac;
     cPhs_State rt = dComIfG_resLoad(&i_this->mPhs, "Syan");