diff --git a/config/rel_slices.yml b/config/rel_slices.yml
index 605db290..31387508 100644
--- a/config/rel_slices.yml
+++ b/config/rel_slices.yml
@@ -1127,6 +1127,10 @@ ef_dig_hole.c:
     .text: [0x80609030, 0x80609910]
     .rodata: [0x8064BEB8, 0x8064BF20]
     .data: [0x806D21B0, 0x806D2220]
+ef_dig_mud.c:
+    .text: [0x80609910, 0x80609F6C]
+    .rodata: [0x8064BF20, 0x8064BF70]
+    .data: [0x806D2220, 0x806D2268]
 ef_flash.c:
     .text: [0x8060B7B4, 0x8060BCB0]
     .rodata: [0x8064C078, 0x8064C0B0]
diff --git a/src/ef_dig_mud.c b/src/ef_dig_mud.c
index a6d7fa1a..b570f436 100644
--- a/src/ef_dig_mud.c
+++ b/src/ef_dig_mud.c
@@ -1,5 +1,46 @@
 #include "ef_effect_control.h"
 
+#include "m_common_data.h"
+#include "m_rcp.h"
+#include "sys_matrix.h"
+#include "m_debug.h"
+
+extern u8 ef_mogura01_01_tex[];
+extern u8 ef_mogura01_02_tex[];
+extern u8 ef_mogura01_03_tex[];
+extern u8 ef_mogura01_04_tex[];
+
+extern u8 ef_anahori02_01_tex[];
+extern u8 ef_anahori02_02_tex[];
+extern u8 ef_anahori02_03_tex[];
+extern u8 ef_anahori02_04_tex[];
+
+extern u8 ef_anahori03_01_tex[];
+extern u8 ef_anahori03_02_tex[];
+extern u8 ef_anahori03_03_tex[];
+extern u8 ef_anahori03_04_tex[];
+
+static u8* eDig_Mud_tex_tbl[] = {
+    ef_anahori02_01_tex,
+    ef_anahori02_02_tex,
+    ef_anahori02_03_tex,
+    ef_anahori02_04_tex,
+};
+
+static u8* eDig_Mud_Sand_tex_tbl[] = {
+    ef_anahori03_01_tex,
+    ef_anahori03_02_tex,
+    ef_anahori03_03_tex,
+    ef_anahori03_04_tex,
+};
+
+static u8* eDig_Mud_Mogura_tex_tbl[] = {
+    ef_mogura01_02_tex,
+    ef_mogura01_03_tex,
+    ef_mogura01_01_tex,
+    ef_mogura01_04_tex,
+};
+
 static void eDig_Mud_init(xyz_t pos, int prio, s16 angle, GAME* game, u16 item_name, s16 arg0, s16 arg1);
 static void eDig_Mud_ct(eEC_Effect_c* effect, GAME* game, void* ct_arg);
 static void eDig_Mud_mv(eEC_Effect_c* effect, GAME* game);
@@ -18,17 +59,110 @@ eEC_PROFILE_c iam_ef_dig_mud = {
 };
 
 static void eDig_Mud_init(xyz_t pos, int prio, s16 angle, GAME* game, u16 item_name, s16 arg0, s16 arg1) {
-    // TODO
+    eEC_CLIP->make_effect_proc(eEC_EFFECT_DIG_MUD, pos, NULL, game, &angle, item_name, prio, arg0, arg1);
 }
 
 static void eDig_Mud_ct(eEC_Effect_c* effect, GAME* game, void* ct_arg) {
-    // TODO
+    s16* angle_p = (s16*)ct_arg;
+    s16 angle_y = *angle_p;
+    s16 angle_x = (s16)(int)((-60.0f + RANDOM2_F(20.0f)) * 182.04445f);
+    f32 cos_x = cos_s(angle_x);
+    f32 speed = -3.5f + RANDOM2_F(4.5f) * 0.5f;
+
+    if ((effect->arg1 & 0x8000)) {
+        effect->effect_specific[1] = 1;
+        effect->arg1 &= ~0x8000;
+    } else {
+        effect->effect_specific[1] = 0;
+    }
+
+    if ((effect->arg1 & 0x4000)) {
+        effect->scale.x = effect->scale.y = effect->scale.z = (0.5f + GETREG(TAKREG, 15) * 0.01f) * 0.01f;
+        effect->effect_specific[2] = 1;
+        effect->arg1 &= ~0x4000;
+    } else {
+        effect->scale.x = effect->scale.y = effect->scale.z = 0.01f;
+        effect->effect_specific[2] = 0;
+    }
+
+    if (effect->arg1 == 0 || effect->arg1 == 3) {
+        effect->effect_specific[0] = 32;
+    } else if (effect->arg1 == 1 || effect->arg1 == 4) {
+        effect->effect_specific[0] = 30;
+    } else {
+        effect->effect_specific[0] = 28;
+    }
+
+    if (effect->arg1 < 3) {
+        angle_y += (int)((30.0f + RANDOM2_F(20.0f)) * 182.04445f);
+
+        effect->velocity.x = (speed * cos_x) * sin_s(angle_y);
+        effect->velocity.y = speed * sin_s(angle_x);
+        effect->velocity.z = (speed * cos_x) * cos_s(angle_y);
+    } else if (effect->arg1 < 6) {
+        angle_y += (s16)(int)((120.0f * effect->arg1) * 182.04445f);
+
+        effect->velocity.x = 0.4f * sin_s(angle_y);
+        effect->velocity.y = 1.75f + fqrand();
+        effect->velocity.z = 0.4f * cos_s(angle_y);
+    } else if (effect->arg1 != 8) {
+        effect->velocity.x = sin_s(angle_y);
+        effect->velocity.y = 2.0f + fqrand();
+        effect->velocity.z = cos_s(angle_y);
+    } else {
+        effect->velocity.x = 0.0f;
+        effect->velocity.y = 2.0f + fqrand();
+        effect->velocity.z = 0.0f;
+    }
+
+    effect->acceleration.y = -0.175f;
+    effect->timer = effect->effect_specific[0];
 }
 
 static void eDig_Mud_mv(eEC_Effect_c* effect, GAME* game) {
-    // TODO
+    xyz_t_add(&effect->velocity, &effect->acceleration, &effect->velocity);
+    xyz_t_add(&effect->position, &effect->velocity, &effect->position);
+
+    if (effect->timer < 18) {
+        if (effect->effect_specific[2] != 1) {
+            eEC_CLIP->calc_adjust_proc(effect->timer, 0, 18, 0.012f, 0.010f);
+        } else {
+            eEC_CLIP->calc_adjust_proc(effect->timer, 0, 18, 0.006f, 0.005f);
+        }
+    }
 }
 
+extern Gfx ef_anahori02_00_modelT[];
+extern Gfx ef_anahori03_00_modelT[];
+extern Gfx ef_mogura01_00_modelT[];
+
 static void eDig_Mud_dw(eEC_Effect_c* effect, GAME* game) {
-    // TODO
+    int tex_idx;
+
+    if (effect->timer > 18) {
+        tex_idx = 0;
+    } else if (effect->timer > 14) {
+        tex_idx = 1;
+    } else if (effect->timer > 10) {
+        tex_idx = 2;
+    } else {
+        tex_idx = 3;
+    }
+
+    OPEN_DISP(game->graph);
+
+    eEC_CLIP->auto_matrix_xlu_proc(game, &effect->position, &effect->scale);
+
+    if (effect->effect_specific[1] == 1) {
+        gSPSegment(NEXT_POLY_XLU_DISP, ANIME_1_TXT_SEG, eDig_Mud_Mogura_tex_tbl[tex_idx]);
+        gSPDisplayList(NEXT_POLY_XLU_DISP, ef_mogura01_00_modelT);
+    } else if (effect->arg0 == mCoBG_ATTRIBUTE_SAND || effect->arg0 == mCoBG_ATTRIBUTE_WAVE) {
+        gSPSegment(NEXT_POLY_XLU_DISP, ANIME_1_TXT_SEG, eDig_Mud_Sand_tex_tbl[tex_idx]);
+        gSPDisplayList(NEXT_POLY_XLU_DISP, ef_anahori03_00_modelT);
+    } else {
+        gSPSegment(NEXT_POLY_XLU_DISP, ANIME_1_TXT_SEG, eDig_Mud_tex_tbl[tex_idx]);
+        gSPDisplayList(NEXT_POLY_XLU_DISP, ef_anahori02_00_modelT);
+    }
+
+    CLOSE_DISP(game->graph);
 }