diff --git a/chastity/belt/belt_seal_arachne.js b/chastity/belt/belt_seal_arachne.js
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+++ b/chastity/belt/belt_seal_arachne.js
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+const { getUserVar, setUserVar } = require("../../functions/usercontext")
+const { addArousal } = require("../../functions/vibefunctions")
+
+// Seal of the Pleasurable Descent (Arachne's Kiss)
+// This Seal gradually increases the wearer's sensitivity (growthCoefficient), and raises the min arousal level for every successful orgasm while wearing it~
+exports.growthCoefficient = function(data) { 
+    return Math.min(2 + ((Date.now() - getUserVar(data.userID, "arachne_kiss") ?? Date.now()) / 900000), 10)
+}
+
+// Set Min Arousal to be equal to Arachne Heat Value, and allow the cooldown period to shorten as Heat increases starting from 80% of default.
+exports.minArousal = function(data) { return getUserVar(data.userID, "arachne_heat")}
+exports.orgasmCooldown = function(data) { return 1 / 1 + ((getUserVar(data.userID, "arachne_heat"))/2) }
+
+// No Increase to denial when worn
+exports.denialCoefficient = (data) => { return 1 }
+
+// Events
+exports.onOrgasm = (data) => {
+    setUserVar(data.userID, "arachne_heat", (getUserVar(data.userID, "arachne_heat")) + 1)
+    addArousal(data.userID, (getUserVar(data.userID, "arachne_heat")));
+}
+exports.onFailedOrgasm = (data) => {
+    // Add a small amount of arousal scaling with Growth Coefficient
+    addArousal(data.userID, (0.5 * this.growthCoefficient(data)));
+}
+exports.onEquip = (data) => {
+    // Configure initial variable values and 'Kiss' time
+    if (!getUserVar(data.userID, "arachne_heat") || getUserVar(data.userID, "arachne_heat") == undefined) setUserVar(data.userID, "arachne_heat", 1);
+    if (!getUserVar(data.userID, "arachne_kiss") || getUserVar(data.userID, "arachne_kiss") == undefined) setUserVar(data.userID, "arachne_kiss", Date.now());
+}
+exports.onUnequip = (data) => {
+    setUserVar(data.userID, "arachne_heat", undefined);
+    setUserVar(data.userID, "arachne_kiss", undefined);
+}
+
+// Tags
+exports.tags = ["seal"]
+// Name
+exports.name = "Seal of the Pleasurable Descent"
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