diff --git a/assets/1x/atlasepic.png b/assets/1x/atlasepic.png
index f35ae50cb..b59afd6af 100644
Binary files a/assets/1x/atlasepic.png and b/assets/1x/atlasepic.png differ
diff --git a/assets/2x/atlasepic.png b/assets/2x/atlasepic.png
index 3104e41dc..ffc9fd228 100644
Binary files a/assets/2x/atlasepic.png and b/assets/2x/atlasepic.png differ
diff --git a/items/epic.lua b/items/epic.lua
index 4a8c389e8..8043e06cb 100644
--- a/items/epic.lua
+++ b/items/epic.lua
@@ -2619,6 +2619,71 @@ local starfruit = {
 	end,
 }
 
+local sundial = {
+	object_type = "Joker",
+	dependencies = {
+		items = {
+			"set_cry_epic",
+		},
+	},
+	name = "cry-sundail",
+	key = "sundial",
+	rarity = "cry_epic",
+	cost = 14,
+	order = 300,
+	blueprint_compat = true,
+	demicoloncompat = true,
+	atlas = "atlasepic",
+	pos = { x = 5, y = 5 },
+	config = { extra = { handleft = 12, handloss = -1 } },
+
+	cry_credits = {
+		art = { "Tatturedlurker" },
+		code = { "candycanearter" },
+		idea = { "HexaCryonic" },
+	},
+
+	loc_vars = function(self, info_queue, center)
+		local active = "permanently"
+		if G.GAME.sundial then
+			active = "already active, does nothing"
+		end
+		return { vars = { number_format(center.ability.extra.handleft), G.GAME.sundial_amount, active } }
+	end,
+
+	in_pool = function(self)
+		return not G.GAME.sundial
+	end,
+
+	calculate = function(self, card, context)
+		if
+			context.before
+			and not context.blueprint
+			and not context.retrigger_joker
+			and not context.individual
+			and not context.repetition
+			and card.ability.extra.handleft > 0
+		then
+			SMODS.scale_card(card, {
+				ref_table = card.ability.extra,
+				ref_value = "handleft",
+				scalar_value = "handloss",
+			})
+			return { message = localize("k_upgrade_ex") }
+		end
+
+		if context.selling_self and not context.retrigger_joker and not context.blueprint then
+			if card.ability.extra.handleft < 1 then
+				G.GAME.sundial = true
+				G.GAME.cry_banished_keys[card.config.center.key] = true
+				return { message = localize("k_active_ex") }
+			else
+				return { message = localize("k_nope_ex") }
+			end
+		end
+	end,
+}
+
 return {
 	name = "Epic Jokers",
 	items = {
@@ -2649,5 +2714,6 @@ return {
 		clockwork,
 		demicolon,
 		starfruit,
+		sundial,
 	},
 }
diff --git a/lib/calculate.lua b/lib/calculate.lua
index c1ce0b872..17da89e13 100644
--- a/lib/calculate.lua
+++ b/lib/calculate.lua
@@ -1,5 +1,13 @@
 -- calculate.lua: modifications specifically for card calculation
 
+-- this seems like a good spot to put the mod calc
+SMODS.current_mod.calculate = function(self, context)
+	if context.setting_blind and G.GAME.sundial then
+		G.GAME.blind.chips = G.GAME.blind.chips * (1 - (G.GAME.sundial_amount / 100))
+		G.GAME.blind.chip_text = number_format(G.GAME.blind.chips)
+	end
+end
+
 -- deal with Rigged and Fragile when scoring a playing card
 local ec = eval_card
 function eval_card(card, context)
diff --git a/lib/overrides.lua b/lib/overrides.lua
index 24c274a1f..8e3f8a9e8 100644
--- a/lib/overrides.lua
+++ b/lib/overrides.lua
@@ -290,6 +290,9 @@ function Game:init_game_object()
 		g.cry_percrate[v:lower()] = 100
 	end
 
+	g.sundial = false
+	g.sundial_amount = 85
+
 	return g
 end
 
diff --git a/localization/en-us.lua b/localization/en-us.lua
index 39da6d08f..039d574d9 100644
--- a/localization/en-us.lua
+++ b/localization/en-us.lua
@@ -1615,6 +1615,14 @@ return {
 					"{C:attention}reroll{} in the shop",
 				},
 			},
+			j_cry_sundial = {
+				name = "Project Sundial",
+				text = {
+					"After playing #1# hands, {C:attention}sell this Joker",
+					"to reduce blind size by #2# percent",
+					"{C:red,E:1}#3#",
+				},
+			},
 			j_cry_digitalhallucinations = {
 				name = "Digital Hallucinations",
 				text = {