diff --git a/js/bullets.js b/js/bullets.js
index 81482ef..3a205cd 100644
--- a/js/bullets.js
+++ b/js/bullets.js
@@ -584,24 +584,6 @@ const b = {
         b.isModEntanglement = false;
       }
     },
-    {
-      name: "ground state",
-      description: "reduce <strong>harm</strong> by <strong>67%</strong><br>you <strong>no longer</strong> passively regenerate <strong class='color-f'>energy</strong>",
-      maxCount: 1,
-      count: 0,
-      allowed() {
-        return true
-      },
-      requires: "",
-      effect: () => {
-        b.modEnergyRegen = 0;
-        mech.fieldRegen = b.modEnergyRegen;
-      },
-      remove() {
-        b.modEnergyRegen = 0.005;
-        mech.fieldRegen = b.modEnergyRegen;
-      }
-    },
     {
       name: "piezoelectricity",
       description: "<strong>colliding</strong> with mobs fills your <strong class='color-f'>energy</strong><br><strong>15%</strong> less <strong>harm</strong> from mob collisions",
@@ -619,6 +601,24 @@ const b = {
         b.isModPiezo = false;
       }
     },
+    {
+      name: "ground state",
+      description: "reduce <strong>harm</strong> by <strong>50%</strong><br>you <strong>no longer</strong> passively regenerate <strong class='color-f'>energy</strong>",
+      maxCount: 1,
+      count: 0,
+      allowed() {
+        return b.isModPiezo
+      },
+      requires: "piezoelectricity",
+      effect: () => {
+        b.modEnergyRegen = 0;
+        mech.fieldRegen = b.modEnergyRegen;
+      },
+      remove() {
+        b.modEnergyRegen = 0.001;
+        mech.fieldRegen = b.modEnergyRegen;
+      }
+    },
     {
       name: "energy conservation",
       description: "<strong>15%</strong> of <strong class='color-d'>damage</strong> done is recovered as <strong class='color-f'>energy</strong>",
diff --git a/js/game.js b/js/game.js
index 0f7fc92..1e5bbc2 100644
--- a/js/game.js
+++ b/js/game.js
@@ -56,6 +56,20 @@ const game = {
     ctx.restore();
     game.drawCursor();
   },
+  timeSkip(cycles = 60) {
+    for (let i = 0; i < cycles; i++) {
+      game.cycle++;
+      // mech.cycle++;
+      game.gravity();
+      Engine.update(engine, game.delta);
+      level.checkZones();
+      level.checkQuery();
+      mech.move();
+      mobs.loop();
+      mech.hold();
+      b.bulletActions();
+    }
+  },
   mouse: {
     x: canvas.width / 2,
     y: canvas.height / 2
diff --git a/js/level.js b/js/level.js
index 61ad407..f00dd60 100644
--- a/js/level.js
+++ b/js/level.js
@@ -16,8 +16,9 @@ const level = {
       // level.difficultyIncrease(9)
       // b.giveGuns("ice IX")
       // mech.setField("time dilation field")
+      // mech.energy = 0.1;
       // b.giveMod("ground state");
-      // b.giveMod("reflective cavity");
+      // b.giveMod("photovoltaics");
 
       level.intro(); //starting level
       // level.testingMap();
diff --git a/js/player.js b/js/player.js
index a54e3ab..c1bf9eb 100644
--- a/js/player.js
+++ b/js/player.js
@@ -508,10 +508,10 @@ const mech = {
     if (b.isModDroneOnDamage) {
       const len = (dmg - 0.06 * Math.random()) * 40
       for (let i = 0; i < len; i++) {
-        if (Math.random() < 0.75) b.drone() //spawn drone
+        if (Math.random() < 0.5) b.drone() //spawn drone
       }
     }
-    if (b.isModMineOnDamage && dmg > 0.005 + 0.1 * Math.random()) {
+    if (b.isModMineOnDamage && dmg > 0.004 + 0.05 * Math.random()) {
       b.mine({
         x: mech.pos.x,
         y: mech.pos.y - 80
@@ -522,7 +522,7 @@ const mech = {
     }
 
     dmg *= mech.fieldDamageResistance
-    if (!b.modEnergyRegen) dmg *= 0.33 //0.22 + 0.78 * mech.energy //77% damage reduction at zero energy
+    if (!b.modEnergyRegen) dmg *= 0.5 //0.22 + 0.78 * mech.energy //77% damage reduction at zero energy
     if (b.isModEntanglement && b.inventory[0] === b.activeGun) {
       for (let i = 0, len = b.inventory.length; i < len; i++) {
         dmg *= 0.84 // 1 - 0.16
@@ -738,7 +738,7 @@ const mech = {
   },
   setHoldDefaults() {
     if (mech.energy < mech.fieldEnergyMax) mech.energy = mech.fieldEnergyMax;
-    mech.fieldRegen = b.modEnergyRegen;
+    mech.fieldRegen = b.modEnergyRegen; //0.001
     mech.fieldMeterColor = "#0cf"
     mech.fieldShieldingScale = 1;
     mech.fieldDamageResistance = 1;
@@ -1305,8 +1305,8 @@ const mech = {
             const DRAIN = 0.0023
             if (mech.energy > DRAIN) {
               mech.energy -= DRAIN;
-              if (mech.energy < 0) {
-                mech.fieldCDcycle = mech.cycle + 60;
+              if (mech.energy < DRAIN) {
+                mech.fieldCDcycle = mech.cycle + 120;
                 mech.energy = 0;
                 mech.wakeCheck();
               }
@@ -1370,7 +1370,7 @@ const mech = {
             if (mech.energy > DRAIN) {
               mech.energy -= DRAIN;
               if (mech.energy < 0) {
-                mech.fieldCDcycle = mech.cycle + 60;
+                mech.fieldCDcycle = mech.cycle + 120;
                 mech.energy = 0;
               }
               //calculate laser collision
@@ -1585,7 +1585,7 @@ const mech = {
                 zeroG(body, this.fieldDrawRadius);
               }
               if (mech.energy < 0) {
-                mech.fieldCDcycle = mech.cycle + 60;
+                mech.fieldCDcycle = mech.cycle + 120;
                 mech.energy = 0;
               }
               //add extra friction for horizontal motion
@@ -1765,7 +1765,7 @@ const mech = {
             if (mech.energy > DRAIN) {
               mech.energy -= DRAIN;
               if (mech.energy < 0) {
-                mech.fieldCDcycle = mech.cycle + 60;
+                mech.fieldCDcycle = mech.cycle + 120;
                 mech.energy = 0;
               }
               mech.isStealth = true //isStealth disables most uses of foundPlayer() 
diff --git a/todo.txt b/todo.txt
index d19c875..4f38392 100644
--- a/todo.txt
+++ b/todo.txt
@@ -1,13 +1,10 @@
-new mod - ground state: reduce harm by 77% but you don't regen energy
-negative feedback, entanglement, fluoroantimonic acid now indicate effects with text
-entanglement 13% -> 16% damage reduction
-piezoelectricity 10% -> 15% harm reduction 
-acute stress response now does 33% damage and drains 50% energy once when a mob dies
-
 
 
 ************** TODO - n-gon **************
 
+mob Boss - time skipper: sends a pulse wave out that will cause time to jump forward 1 second.
+  what about a series of short time skips forward 10 cycles at a time
+
 add a way to run player submitted maps.
 
 MOB stabber - extends one vector like the shooter, but quickly in order to stab