diff --git a/packages/core/src/sims/melee/sam/rotations/sam_lv100_214.ts b/packages/core/src/sims/melee/sam/rotations/sam_lv100_214.ts
index 2cf8989a..7054caae 100644
--- a/packages/core/src/sims/melee/sam/rotations/sam_lv100_214.ts
+++ b/packages/core/src/sims/melee/sam/rotations/sam_lv100_214.ts
@@ -345,6 +345,7 @@ export const Opener: SamAbility[] = [
     Actions.Gyofu,
     Actions.Yukikaze,
     Actions.MidareSetsugekka,
+    Actions.HissatsuShinten,
     Actions.KaeshiSetsugekka,
 ];
 
diff --git a/packages/core/src/sims/melee/sam/sam_actions.ts b/packages/core/src/sims/melee/sam/sam_actions.ts
index 2fc728e4..b878958e 100644
--- a/packages/core/src/sims/melee/sam/sam_actions.ts
+++ b/packages/core/src/sims/melee/sam/sam_actions.ts
@@ -10,7 +10,7 @@ export const Gyofu: SamGcdAbility = {
     name: "Gyofu",
     id: 36963,
     attackType: "Weaponskill",
-    potency: 240,
+    potency: 230,
     gcd: 2.5,
     cast: 0,
     updateGauge: (gauge: SAMGauge) => {
@@ -23,7 +23,7 @@ export const Yukikaze: SamGcdAbility = {
     name: "Yukikaze",
     id: 7480,
     attackType: "Weaponskill",
-    potency: 360,
+    potency: 340,
     gcd: 2.5,
     cast: 0,
     updateGauge: (gauge: SAMGauge) => {
@@ -37,7 +37,7 @@ export const Jinpu: SamGcdAbility = {
     name: "Jinpu",
     id: 7478,
     attackType: "Weaponskill",
-    potency: 320,
+    potency: 300,
     gcd: 2.5,
     cast: 0,
     activatesBuffs: [Fugetsu],
@@ -51,7 +51,7 @@ export const Shifu: SamGcdAbility = {
     name: "Shifu",
     id: 7479,
     attackType: "Weaponskill",
-    potency: 320,
+    potency: 300,
     gcd: 2.5,
     cast: 0,
     activatesBuffs: [Fuka],
@@ -65,7 +65,7 @@ export const Gekko: SamGcdAbility = {
     name: "Gekko",
     id: 7481,
     attackType: "Weaponskill",
-    potency: 440,
+    potency: 420,
     gcd: 2.5,
     cast: 0,
     updateGauge: (gauge: SAMGauge) => {
@@ -79,7 +79,7 @@ export const Kasha: SamGcdAbility = {
     name: "Kasha",
     id: 7482,
     attackType: "Weaponskill",
-    potency: 440,
+    potency: 420,
     gcd: 2.5,
     cast: 0,
     updateGauge: (gauge: SAMGauge) => {
@@ -93,7 +93,7 @@ export const MidareSetsugekka: SamGcdAbility = {
     name: "Midare Setsugekka",
     id: 7487,
     attackType: "Weaponskill",
-    potency: 700,
+    potency: 640,
     autoCrit: true,
     gcd: 2.5,
     cast: 1.3,
@@ -211,7 +211,7 @@ export const Zanshin: KenkiAbility = {
     name: "Zanshin",
     id: 36964,
     attackType: "Ability",
-    potency: 900,
+    potency: 820,
     updateGauge: gauge => gauge.kenkiGauge -= 50,
     kenkiCost: 50,
 };
@@ -231,7 +231,7 @@ export const HissatsuSenei: KenkiAbility = {
     name: "Hissatsu: Senei",
     id: 16481,
     attackType: "Ability",
-    potency: 860,
+    potency: 800,
     cooldown: {
         time: 60,
     },