diff --git a/js/engine.js b/js/engine.js
index 5856b25..b6d8c65 100644
--- a/js/engine.js
+++ b/js/engine.js
@@ -104,8 +104,8 @@ function collisionChecks(event) {
                         mech.immuneCycle = mech.cycle + mod.collisionImmuneCycles; //player is immune to collision damage for 30 cycles
                         mob[k].foundPlayer();
                         let dmg = Math.min(Math.max(0.025 * Math.sqrt(mob[k].mass), 0.05), 0.3) * game.dmgScale; //player damage is capped at 0.3*dmgScale of 1.0
-                        if (mod.isPiezo) mech.energy += mech.maxEnergy * 2;
                         mech.damage(dmg);
+                        if (mod.isPiezo) mech.energy += mech.maxEnergy * 2;
                         if (mod.isBayesian) powerUps.ejectMod()
                         if (mob[k].onHit) mob[k].onHit(k);
                         //extra kick between player and mob              //this section would be better with forces but they don't work...
diff --git a/js/index.js b/js/index.js
index 654628b..fb95772 100644
--- a/js/index.js
+++ b/js/index.js
@@ -200,7 +200,7 @@ const build = {
         let countMods = 0
         for (let i = 0, len = b.guns.length; i < len; i++) {
             if (b.guns[i].have) {
-                text += `<div class="pause-grid-module"><div class="grid-title"><div class="circle-grid gun"></div> &nbsp; ${b.guns[i].name}</div> ${b.guns[i].description}</div>`
+                text += `<div class="pause-grid-module"><div class="grid-title"><div class="circle-grid gun"></div> &nbsp; ${b.guns[i].name} - <span style="font-size:100%;font-weight: 100;">${b.guns[i].ammo}</span></div> ${b.guns[i].description}</div>`
                 countGuns++
             }
         }
diff --git a/js/level.js b/js/level.js
index f00b947..3d5af7e 100644
--- a/js/level.js
+++ b/js/level.js
@@ -82,6 +82,18 @@ const level = {
                 powerUps.spawn(mech.pos.x + 60 * (Math.random() - 0.5), mech.pos.y + 60 * (Math.random() - 0.5), "heal", false);
             }
         }
+        if (mod.isPerpetualReroll) powerUps.spawn(mech.pos.x + 60 * (Math.random() - 0.5), mech.pos.y + 60 * (Math.random() - 0.5), "reroll", false);
+        if (mod.isPerpetualAmmo) {
+            powerUps.spawn(mech.pos.x + 60 * (Math.random() - 0.5), mech.pos.y + 60 * (Math.random() - 0.5), "ammo", false);
+            powerUps.spawn(mech.pos.x + 60 * (Math.random() - 0.5), mech.pos.y + 60 * (Math.random() - 0.5), "ammo", false);
+        }
+        if (mod.isPerpetualHeal) {
+            powerUps.spawn(mech.pos.x + 60 * (Math.random() - 0.5), mech.pos.y + 60 * (Math.random() - 0.5), "heal", false);
+            powerUps.spawn(mech.pos.x + 60 * (Math.random() - 0.5), mech.pos.y + 60 * (Math.random() - 0.5), "heal", false);
+        }
+        if (mod.isPerpetualStun) {
+            for (let i = 0; i < mob.length; i++) mobs.statusStun(mob[i], 60 * 8)
+        }
         if (mod.isGunCycle) {
             b.inventoryGun++;
             if (b.inventoryGun > b.inventory.length - 1) b.inventoryGun = 0;
diff --git a/js/mods.js b/js/mods.js
index 9b42461..80741c5 100644
--- a/js/mods.js
+++ b/js/mods.js
@@ -987,9 +987,9 @@ const mod = {
             maxCount: 1,
             count: 0,
             allowed() {
-                return mech.fieldUpgrades[mech.fieldMode].name !== "nano-scale manufacturing" && mech.fieldUpgrades[mech.fieldMode].name !== "standing wave harmonics" && !mod.isEnergyHealth && !mod.isEnergyLoss
+                return (mech.fieldUpgrades[mech.fieldMode].name !== "nano-scale manufacturing" || mech.maxEnergy > 1) && mech.fieldUpgrades[mech.fieldMode].name !== "standing wave harmonics" && !mod.isEnergyHealth && !mod.isEnergyLoss && !mod.isPiezo
             },
-            requires: "not nano-scale manufacturing, not mass-energy equivalence, not standing wave harmonics, not acute stress response",
+            requires: "not nano-scale manufacturing, mass-energy equivalence, standing wave harmonics, acute stress response, piezoelectricity",
             effect() {
                 mod.isTimeAvoidDeath = true;
             },
@@ -1003,9 +1003,9 @@ const mod = {
             maxCount: 1,
             count: 0,
             allowed() {
-                return !mod.isEnergyHealth
+                return !mod.isEnergyHealth && !mod.isTimeAvoidDeath
             },
-            requires: "not mass-energy equivalence",
+            requires: "not mass-energy equivalence, CPT reversal",
             effect() {
                 mod.isPiezo = true;
                 mech.energy += mech.maxEnergy * 2;
@@ -1016,11 +1016,11 @@ const mod = {
         },
         {
             name: "ground state",
-            description: "reduce <strong class='color-harm'>harm</strong> by <strong>50%</strong><br>you <strong>no longer</strong> passively regenerate <strong class='color-f'>energy</strong>",
+            description: "reduce <strong class='color-harm'>harm</strong> by <strong>60%</strong><br>you <strong>no longer</strong> passively regenerate <strong class='color-f'>energy</strong>",
             maxCount: 1,
             count: 0,
             allowed() {
-                return mod.isPiezo && !mod.timeEnergyRegen
+                return mod.isPiezo && mod.energyRegen > 0.001
             },
             requires: "piezoelectricity",
             effect: () => {
@@ -1559,7 +1559,7 @@ const mod = {
         },
         {
             name: "quantum immortality",
-            description: "after <strong>dying</strong>, continue in an <strong>alternate reality</strong><br>spawn <strong>5</strong> <strong class='color-r'>rerolls</strong>",
+            description: "after <strong>dying</strong>, continue in an <strong>alternate reality</strong><br>spawn <strong>4</strong> <strong class='color-r'>rerolls</strong>",
             maxCount: 1,
             count: 0,
             allowed() {
@@ -1568,9 +1568,8 @@ const mod = {
             requires: "at least 2 rerolls",
             effect() {
                 mod.isImmortal = true;
-                for (let i = 0; i < 5; i++) {
-                    powerUps.spawn(mech.pos.x, mech.pos.y, "reroll", false);
-                }
+                powerUps.spawn(mech.pos.x, mech.pos.y, "reroll", false);
+                for (let i = 0; i < 4; i++) {}
             },
             remove() {
                 mod.isImmortal = false;
@@ -1635,6 +1634,70 @@ const mod = {
             },
             remove() {}
         },
+        {
+            name: "perpetual rerolls",
+            description: "find <strong>1</strong> <strong class='color-r'>reroll</strong> power up<br>at the start of each <strong>level</strong>",
+            maxCount: 1,
+            count: 0,
+            allowed() {
+                return !mod.isSuperDeterminism && !mod.isPerpetualHeal && !mod.isPerpetualAmmo && !mod.isPerpetualStun
+            },
+            requires: "only 1 perpetual effect, not superdeterminism",
+            effect() {
+                mod.isPerpetualReroll = true
+            },
+            remove() {
+                mod.isPerpetualReroll = false
+            }
+        },
+        {
+            name: "perpetual heals",
+            description: "find <strong>2</strong> <strong class='color-h'>heal</strong> power ups<br>at the start of each <strong>level</strong>",
+            maxCount: 1,
+            count: 0,
+            allowed() {
+                return !mod.isPerpetualReroll && !mod.isPerpetualAmmo && !mod.isPerpetualStun
+            },
+            requires: "only 1 perpetual effect",
+            effect() {
+                mod.isPerpetualHeal = true
+            },
+            remove() {
+                mod.isPerpetualHeal = false
+            }
+        },
+        {
+            name: "perpetual ammo",
+            description: "find <strong>2</strong> <strong class='color-g'>ammo</strong> power ups<br>at the start of each <strong>level</strong>",
+            maxCount: 1,
+            count: 0,
+            allowed() {
+                return !mod.isPerpetualReroll && !mod.isPerpetualHeal && !mod.isPerpetualReroll && !mod.isPerpetualStun
+            },
+            requires: "only 1 perpetual effect, not exciton lattice",
+            effect() {
+                mod.isPerpetualAmmo = true
+            },
+            remove() {
+                mod.isPerpetualAmmo = false
+            }
+        },
+        {
+            name: "perpetual stun",
+            description: "<strong>stun</strong> all mobs for up to <strong>8</strong> seconds<br>at the start of each <strong>level</strong>",
+            maxCount: 1,
+            count: 0,
+            allowed() {
+                return !mod.isPerpetualReroll && !mod.isPerpetualHeal && !mod.isPerpetualAmmo
+            },
+            requires: "only 1 perpetual effect",
+            effect() {
+                mod.isPerpetualStun = true
+            },
+            remove() {
+                mod.isPerpetualStun = false
+            }
+        },
         //************************************************** 
         //************************************************** gun
         //************************************************** mods
@@ -2774,9 +2837,9 @@ const mod = {
             maxCount: 1,
             count: 0,
             allowed() {
-                return mod.isStunField || mod.oneSuperBall || mod.isCloakStun || mod.orbitBotCount > 1
+                return mod.isStunField || mod.oneSuperBall || mod.isCloakStun || mod.orbitBotCount > 1 || mod.isPerpetualStun
             },
-            requires: "flux pinning or super ball<br>or flashbang",
+            requires: "a stun effect",
             effect() {
                 mod.isCrit = true;
             },
@@ -2830,7 +2893,7 @@ const mod = {
             maxCount: 1,
             count: 0,
             allowed() {
-                return mech.fieldUpgrades[mech.fieldMode].name === "time dilation field"
+                return mech.fieldUpgrades[mech.fieldMode].name === "time dilation field" && mod.energyRegen !== 0;
             },
             requires: "time dilation field",
             effect: () => {
@@ -3193,10 +3256,9 @@ const mod = {
             },
             remove() {}
         },
-
         {
             name: "rerolls",
-            description: "spawn <strong>5</strong> <strong class='color-r'>reroll</strong> power ups",
+            description: "spawn <strong>4</strong> <strong class='color-r'>reroll</strong> power ups",
             maxCount: 9,
             count: 0,
             isNonRefundable: true,
@@ -3206,7 +3268,7 @@ const mod = {
             },
             requires: "not superdeterminism",
             effect() {
-                for (let i = 0; i < 5; i++) {
+                for (let i = 0; i < 4; i++) {
                     powerUps.spawn(mech.pos.x, mech.pos.y, "reroll");
                 }
                 this.count--
@@ -3401,7 +3463,6 @@ const mod = {
     isWideLaser: null,
     wideLaser: null,
     isPulseLaser: null,
-    timeEnergyRegen: null,
     isRadioactive: null,
     isRailEnergyGain: null,
     isMineSentry: null,
@@ -3412,5 +3473,9 @@ const mod = {
     historyLaser: null,
     isSpeedHarm: null,
     isSpeedDamage: null,
-    isTimeSkip: null
+    isTimeSkip: null,
+    isPerpetualReroll: null,
+    isPerpetualAmmo: null,
+    isPerpetualHeal: null,
+    isPerpetualStun: null
 }
\ No newline at end of file
diff --git a/js/player.js b/js/player.js
index efe94ce..644f378 100644
--- a/js/player.js
+++ b/js/player.js
@@ -272,8 +272,7 @@ const mech = {
     },
     alive: false,
     death() {
-        if (mod.isImmortal) { //if player has the immortality buff, spawn on the same level with randomized stats
-
+        if (mod.isImmortal) { //if player has the immortality buff, spawn on the same level with randomized damage
             //count mods
             let totalMods = 0;
             for (let i = 0; i < mod.mods.length; i++) {
@@ -466,7 +465,7 @@ const mech = {
         if (mod.isBotArmor) dmg *= 0.95 ** mod.totalBots()
         if (mod.isHarmArmor && mech.lastHarmCycle + 600 > mech.cycle) dmg *= 0.5;
         if (mod.isNoFireDefense && mech.cycle > mech.fireCDcycle + 120) dmg *= 0.6
-        if (mod.energyRegen === 0) dmg *= 0.5 //0.22 + 0.78 * mech.energy //77% damage reduction at zero energy
+        if (mod.energyRegen === 0) dmg *= 0.4 //0.22 + 0.78 * mech.energy //77% damage reduction at zero energy
         if (mod.isTurret && mech.crouch) dmg *= 0.5;
         if (mod.isEntanglement && b.inventory[0] === b.activeGun) {
             for (let i = 0, len = b.inventory.length; i < len; i++) {
@@ -1832,7 +1831,7 @@ const mech = {
                     }
 
                     //120 cycles after shooting (or using field) enable cloak
-                    if (mech.energy < 0.05 && mech.fireCDcycle < mech.cycle) mech.fireCDcycle = mech.cycle
+                    if (mech.energy < 0.05 && mech.fireCDcycle < mech.cycle && !input.fire) mech.fireCDcycle = mech.cycle
                     if (mech.fireCDcycle + 50 < mech.cycle) {
                         if (!mech.isCloak) {
                             mech.isCloak = true //enter cloak
diff --git a/js/spawn.js b/js/spawn.js
index 1c776d4..423d3ca 100644
--- a/js/spawn.js
+++ b/js/spawn.js
@@ -2262,7 +2262,7 @@ const spawn = {
         //     this.explode();
         // };
         me.collisionFilter.mask = cat.bullet | cat.player | cat.mob
-        me.accelMag = 0.0006 * game.accelScale;
+        me.accelMag = 0.0004 * game.accelScale;
         me.leaveBody = false;
         me.frictionAir = 0.02;
         me.isSnakeTail = true;
diff --git a/style.css b/style.css
index fa14ed7..0a74cca 100644
--- a/style.css
+++ b/style.css
@@ -248,7 +248,7 @@ summary {
 
 .grid-title {
     padding-bottom: 6px;
-    font-size: 1.3em;
+    font-size: 1.4em;
     font-weight: 600;
 }
 
@@ -510,6 +510,7 @@ em {
     padding: 2px;
     border-radius: 4px;
     letter-spacing: 1px;
+    font-weight: 100;
 }
 
 .color-r {
diff --git a/todo.txt b/todo.txt
index 16c44fb..d9d8195 100644
--- a/todo.txt
+++ b/todo.txt
@@ -1,10 +1,7 @@
 *********** NEXT PATCH ***********
 
-mod: CPT reversal - avoid damage by rewinding to your past, but use up all your energy
-  requires wormhole or time dilation
-
-several minor buffs to wormhole
-small changes to mob distribution on a few maps
+4 new mods: perpetual ammo/rerolls/heals - get that power up at the start of each level
+            also perpetual stun: stuns all mobs for 8 seconds at the start
 
 ************** BUGS **************
 
@@ -47,6 +44,7 @@ time dilation - slow down the game engine by 1/2, but run an extra player cycle
 
 flavor - your bullets destroy blocks
   this isn't really a bonus, so maybe just add this as flavor to another mod/field/gun
+  a chance for destroyed blocks to drop ammo?
 
 mod plasma : plasma length increases then decreases as you hold down the field button (like stabbing with a spear)
   grows to 1.5 longer after 0.3 seconds, then returns to normal length over 1 second, until field is pressed again