diff --git a/Content/Data/clades.json b/Content/Data/clades.json
index dc96c10..7d8c67b 100644
--- a/Content/Data/clades.json
+++ b/Content/Data/clades.json
@@ -55,13 +55,13 @@
     "ability_mods": { "DEX": -1, "CON": 2 },
     "languages": ["common", "ursid"],
     "traits": [
-      { "id": "powerful_build",        "name": "Powerful Build",        "description": "Counts as one size larger for carrying capacity and grappling. Push, drag, or lift weight is doubled." },
-      { "id": "thick_hide",            "name": "Thick Hide",            "description": "Natural AC = 11 + DEX when unarmored. Resistance to non-magical bludgeoning damage." },
-      { "id": "bone_crushing_jaws",    "name": "Bone-Crushing Jaws",    "description": "Unarmed bite deals 1d10 + STR piercing. On a critical hit, target makes a STR save (DC = 8 + prof + STR) or is knocked prone." }
+      { "id": "massive_frame",         "name": "Massive Frame",         "description": "Your size category is Large. Advantage on STR checks and saves. Carrying capacity doubled. Wield Heavy weapons without penalty. Grapple creatures up to two sizes smaller with one paw." },
+      { "id": "thick_hide",            "name": "Thick Hide",            "description": "Natural armor. When unarmored, AC = 12 + CON modifier. Stacks with shields." },
+      { "id": "hibernation_recovery",  "name": "Hibernation Recovery",  "description": "On a long rest, regain all spent hit dice (instead of half). Sleeping for 24 consecutive hours recovers from one level of exhaustion, one disease, or one poison." }
     ],
     "detriments": [
-      { "id": "lumbering",             "name": "Lumbering",             "description": "Disadvantage on DEX (Stealth) checks. Disadvantage on DEX saves to avoid area effects." },
-      { "id": "heat_intolerance",      "name": "Heat Intolerance",      "description": "In temperatures above 80°F, CON save (DC 12) every 2 hours of activity or gain a level of exhaustion." }
+      { "id": "ponderous",             "name": "Ponderous",             "description": "Base movement speed is 25 ft. Disadvantage on DEX saves against area effects (you can't dodge — you're too big). Initiative rolls are made with -2." },
+      { "id": "infrastructure_problem","name": "Infrastructure Problem","description": "Doorways, chairs, vehicles, and beds built for Medium creatures are uncomfortable or unusable. Disadvantage on social checks in spaces not built for your size." }
     ]
   },
   {
@@ -71,13 +71,13 @@
     "ability_mods": { "DEX": 1, "WIS": 1 },
     "languages": ["common", "cervid"],
     "traits": [
-      { "id": "fleet_footed",          "name": "Fleet-Footed",          "description": "Base movement speed +5 ft. When you Dash, no opportunity attacks against you for that turn." },
-      { "id": "antlers",               "name": "Antlers",               "description": "(Antlered species only.) Natural antler attack deals 1d6 + STR piercing. Antlers shed annually; cosmetic only when shed, attack still functional." },
-      { "id": "wide_field_of_view",    "name": "Wide Field of View",    "description": "Cannot be flanked by fewer than three attackers. Advantage on Perception checks to detect movement at the periphery of vision." }
+      { "id": "prey_sense",            "name": "Prey Sense",            "description": "You cannot be surprised. When you roll initiative, you add your WIS modifier a second time. Advantage on WIS (Perception) checks to detect hidden or approaching creatures." },
+      { "id": "flight_response",       "name": "Flight Response",       "description": "Reaction: when a hostile creature moves within 5 ft. of you, move up to half your speed without provoking opportunity attacks. Uses equal to proficiency bonus per long rest." },
+      { "id": "pivoting_ears",         "name": "Pivoting Ears",         "description": "Your ears rotate independently, providing 360-degree auditory awareness. Advantage on Perception checks that rely on hearing, and you cannot be flanked." }
     ],
     "detriments": [
-      { "id": "flight_response",       "name": "Flight Response",       "description": "When suddenly threatened (surprise attack, sudden loud sound), WIS save (DC 12) or compelled to move at full speed away from the threat for one turn." },
-      { "id": "delicate_frame",        "name": "Delicate Frame",        "description": "Hit point maximum reduced by 1 per level (minimum 1 HP per level)." }
+      { "id": "freeze_response",       "name": "Freeze Response",       "description": "The first time you take damage in combat from a source you didn't detect beforehand, WIS save (DC 13) or be stunned until the end of your next turn." },
+      { "id": "predator_aversion",     "name": "Predator Aversion",     "description": "In the presence of Canidae, Felidae, or Mustelidae displaying aggressive body language, disadvantage on CHA checks." }
     ]
   },
   {
diff --git a/Content/Data/species.json b/Content/Data/species.json
index 167d3cb..8824d7b 100644
--- a/Content/Data/species.json
+++ b/Content/Data/species.json
@@ -200,7 +200,8 @@
       { "id": "alert_eyes",            "name": "Alert Eyes",            "description": "You cannot be surprised while conscious." }
     ],
     "detriments": [
-      { "id": "skittish",              "name": "Skittish",              "description": "When taking damage from a hidden or unseen attacker, WIS save (DC 12) or use your reaction to move 10 ft. away from the attack source." }
+      { "id": "skittish",              "name": "Skittish",              "description": "When taking damage from a hidden or unseen attacker, WIS save (DC 12) or use your reaction to move 10 ft. away from the attack source." },
+      { "id": "slight_frame",          "name": "Slight Frame",          "description": "Hit point maximum reduced by 1 per level (minimum 1 HP per level). You weren't built to take hits — you were built to not be there when the hit lands." }
     ]
   },
   {