diff --git a/code/game/gamemodes/dynamic/dynamic.dm b/code/game/gamemodes/dynamic/dynamic.dm
index eac7347479..fbc433a8a0 100644
--- a/code/game/gamemodes/dynamic/dynamic.dm
+++ b/code/game/gamemodes/dynamic/dynamic.dm
@@ -173,7 +173,7 @@ GLOBAL_VAR_INIT(dynamic_forced_storyteller, null)
 			dat += "[DR.ruletype] - <b>[DR.name]</b><br>"
 	else
 		dat += "none.<br>"
-	dat += "<br>Injection Timers: (<b>[storyteller.get_injection_chance(TRUE)]%</b> chance)<BR>"
+	dat += "<br>Injection Timers:<BR>"
 	dat += "Latejoin: [(latejoin_injection_cooldown-world.time)>60*10 ? "[round((latejoin_injection_cooldown-world.time)/60/10,0.1)] minutes" : "[(latejoin_injection_cooldown-world.time)/10] seconds"] <a href='?src=\ref[src];[HrefToken()];injectlate=1'>\[Now!\]</a><BR>"
 	dat += "Midround: [(midround_injection_cooldown-world.time)>60*10 ? "[round((midround_injection_cooldown-world.time)/60/10,0.1)] minutes" : "[(midround_injection_cooldown-world.time)/10] seconds"] <a href='?src=\ref[src];[HrefToken()];injectmid=1'>\[Now!\]</a><BR>"
 	usr << browse(dat.Join(), "window=gamemode_panel;size=500x500")
@@ -513,7 +513,7 @@ GLOBAL_VAR_INIT(dynamic_forced_storyteller, null)
 	drafted_rules -= starting_rule
 
 	starting_rule.trim_candidates()
-	starting_rule.scale_up(extra_rulesets_amount, threat_level)
+	starting_rule.scale_up(extra_rulesets_amount, threat_level-added_threat)
 	if (starting_rule.pre_execute())
 		log_threat("[starting_rule.ruletype] - <b>[starting_rule.name]</b> [starting_rule.cost + starting_rule.scaled_times * starting_rule.scaling_cost] threat", verbose = TRUE)
 		if(starting_rule.flags & HIGHLANDER_RULESET)
@@ -675,13 +675,12 @@ GLOBAL_VAR_INIT(dynamic_forced_storyteller, null)
 		log_game("DYNAMIC: Checking for midround injection.")
 
 		update_playercounts()
-		if (prob(storyteller.get_injection_chance()))
+		if (storyteller.should_inject_antag())
 			SSblackbox.record_feedback("tally","dynamic",1,"Attempted midround injections")
 			var/list/drafted_rules = storyteller.midround_draft()
 			if (drafted_rules.len > 0)
 				SSblackbox.record_feedback("tally","dynamic",1,"Successful midround injections")
 				picking_midround_latejoin_rule(drafted_rules)
-		// get_injection_chance can do things on fail
 
 /// Updates current_players.
 /datum/game_mode/dynamic/proc/update_playercounts()
@@ -757,12 +756,11 @@ GLOBAL_VAR_INIT(dynamic_forced_storyteller, null)
 			picking_midround_latejoin_rule(list(forced_latejoin_rule), forced = TRUE)
 		forced_latejoin_rule = null
 
-	else if (latejoin_injection_cooldown < world.time && prob(storyteller.get_injection_chance()))
+	else if (storyteller.should_inject_antag())
 		SSblackbox.record_feedback("tally","dynamic",1,"Attempted latejoin injections")
 		var/list/drafted_rules = storyteller.latejoin_draft(newPlayer)
 		if (drafted_rules.len > 0 && picking_midround_latejoin_rule(drafted_rules))
 			SSblackbox.record_feedback("tally","dynamic",1,"Successful latejoin injections")
-			latejoin_injection_cooldown = storyteller.get_latejoin_cooldown() + world.time
 
 /// Increase the threat level.
 /datum/game_mode/dynamic/proc/create_threat(gain)
diff --git a/code/game/gamemodes/dynamic/dynamic_storytellers.dm b/code/game/gamemodes/dynamic/dynamic_storytellers.dm
index ed6cb0ba88..04e295356a 100644
--- a/code/game/gamemodes/dynamic/dynamic_storytellers.dm
+++ b/code/game/gamemodes/dynamic/dynamic_storytellers.dm
@@ -96,17 +96,11 @@ Property weights are added to the config weight of the ruleset. They are:
 	var/midround_injection_cooldown_middle = 0.5*(GLOB.dynamic_midround_delay_max + GLOB.dynamic_midround_delay_min)
 	return round(clamp(EXP_DISTRIBUTION(midround_injection_cooldown_middle), GLOB.dynamic_midround_delay_min, GLOB.dynamic_midround_delay_max))
 
-/datum/dynamic_storyteller/proc/get_latejoin_cooldown()
-	var/latejoin_injection_cooldown_middle = 0.5*(GLOB.dynamic_latejoin_delay_max + GLOB.dynamic_latejoin_delay_min)
-	return round(clamp(EXP_DISTRIBUTION(latejoin_injection_cooldown_middle), GLOB.dynamic_latejoin_delay_min, GLOB.dynamic_latejoin_delay_max))
-
-/datum/dynamic_storyteller/proc/get_injection_chance(dry_run = FALSE)
+/datum/dynamic_storyteller/proc/should_inject_antag(dry_run = FALSE)
 	if(mode.forced_injection)
 		mode.forced_injection = !dry_run
-		return 100
-	var/threat_perc = mode.threat/mode.threat_level
-
-	return clamp(round(100*(1-(threat_perc*threat_perc))**2,1),0,100)
+		return TRUE
+	return mode.threat < mode.threat_level
 
 /datum/dynamic_storyteller/proc/roundstart_draft()
 	var/list/drafted_rules = list()
@@ -210,9 +204,6 @@ Property weights are added to the config weight of the ruleset. They are:
 /datum/dynamic_storyteller/chaotic/get_midround_cooldown()
 	return ..() / 4
 
-/datum/dynamic_storyteller/chaotic/get_latejoin_cooldown()
-	return ..() / 4
-
 /datum/dynamic_storyteller/team
 	name = "Teamwork"
 	config_tag = "teamwork"
@@ -224,8 +215,8 @@ Property weights are added to the config weight of the ruleset. They are:
 	flags = WAROPS_ALWAYS_ALLOWED | USE_PREV_ROUND_WEIGHTS
 	property_weights = list("valid" = 3, "trust" = 5)
 
-/datum/dynamic_storyteller/team/get_injection_chance(dry_run = FALSE)
-	return (mode.current_players[CURRENT_LIVING_ANTAGS].len ? 0 : ..())
+/datum/dynamic_storyteller/team/should_inject_antag(dry_run = FALSE)
+	return (mode.current_players[CURRENT_LIVING_ANTAGS].len ? FALSE : ..())
 
 /datum/dynamic_storyteller/conversion
 	name = "Conversion"
@@ -250,11 +241,8 @@ Property weights are added to the config weight of the ruleset. They are:
 /datum/dynamic_storyteller/random/get_midround_cooldown()
 	return rand(GLOB.dynamic_midround_delay_min/2, GLOB.dynamic_midround_delay_max*2)
 
-/datum/dynamic_storyteller/random/get_latejoin_cooldown()
-	return rand(GLOB.dynamic_latejoin_delay_min/2, GLOB.dynamic_latejoin_delay_max*2)
-
-/datum/dynamic_storyteller/random/get_injection_chance()
-	return 50 // i would do rand(0,100) but it's actually the same thing when you do the math
+/datum/dynamic_storyteller/random/should_inject_antag()
+	return prob(50)
 
 /datum/dynamic_storyteller/random/roundstart_draft()
 	var/list/drafted_rules = list()
@@ -318,7 +306,7 @@ Property weights are added to the config weight of the ruleset. They are:
 	curve_width = 2
 	dead_player_weight = 2
 	flags = USE_PREV_ROUND_WEIGHTS
-	property_weights = list("trust" = -3)
+	property_weights = list("trust" = -2)
 
 /datum/dynamic_storyteller/liteextended
 	name = "Calm"
@@ -326,7 +314,7 @@ Property weights are added to the config weight of the ruleset. They are:
 	desc = "Low-chaos round. Few antags. No conversion."
 	curve_centre = -3
 	curve_width = 0.5
-	flags = NO_ASSASSIN | FORCE_IF_WON
+	flags = NO_ASSASSIN
 	weight = 1
 	dead_player_weight = 5
 	property_weights = list("extended" = 2, "chaos" = -1, "valid" = -1, "conversion" = -10)
@@ -344,5 +332,5 @@ Property weights are added to the config weight of the ruleset. They are:
 /datum/dynamic_storyteller/no_antag/roundstart_draft()
 	return list()
 
-/datum/dynamic_storyteller/no_antag/get_injection_chance(dry_run)
-	return 0
+/datum/dynamic_storyteller/no_antag/should_inject_antag(dry_run)
+	return FALSE