diff --git a/mods/ra/rules/defaults.yaml b/mods/ra/rules/defaults.yaml
index da03bffc3c..68c6846fec 100644
--- a/mods/ra/rules/defaults.yaml
+++ b/mods/ra/rules/defaults.yaml
@@ -410,6 +410,7 @@
 		DestroyedSounds: kaboom22.aud
 	WithSpriteBody:
 	WithBuildingExplosion:
+		Sequences: building, building_napalm, large_explosion, self_destruct, large_napalm
 	CaptureNotification:
 	ShakeOnDeath:
 	ProximityCaptor:
diff --git a/mods/ra/rules/structures.yaml b/mods/ra/rules/structures.yaml
index d0d3d81bf5..f15fcd2ebb 100644
--- a/mods/ra/rules/structures.yaml
+++ b/mods/ra/rules/structures.yaml
@@ -86,6 +86,8 @@ GAP:
 		Amount: -60
 	MustBeDestroyed:
 		RequiredForShortGame: false
+	WithBuildingExplosion:
+		Sequences: building, building_napalm, large_explosion, self_destruct
 
 SPEN:
 	Inherits: ^Building
@@ -414,6 +416,8 @@ TSLA:
 	DetectCloaked:
 		Range: 8c0
 	ProvidesPrerequisite@buildingname:
+	WithBuildingExplosion:
+		Sequences: building, building_napalm, large_explosion, self_destruct
 
 AGUN:
 	Inherits: ^Defense
@@ -461,6 +465,8 @@ AGUN:
 		Amount: -50
 	DetectCloaked:
 		Range: 6c0
+	WithBuildingExplosion:
+		Sequences: building, building_napalm, large_explosion, self_destruct
 
 DOME:
 	Inherits: ^Building
@@ -539,6 +545,8 @@ PBOX:
 		Amount: -15
 	DetectCloaked:
 		Range: 6c0
+	WithBuildingExplosion:
+		Sequences: building, building_napalm, large_explosion, self_destruct
 
 HBOX:
 	Inherits: ^Defense
@@ -585,6 +593,8 @@ HBOX:
 	Power:
 		Amount: -15
 	-MustBeDestroyed:
+	WithBuildingExplosion:
+		Sequences: building, building_napalm, large_explosion, self_destruct
 
 GUN:
 	Inherits: ^Defense
@@ -621,6 +631,8 @@ GUN:
 		Amount: -40
 	DetectCloaked:
 		Range: 7c0
+	WithBuildingExplosion:
+		Sequences: building, building_napalm, large_explosion, self_destruct
 
 FTUR:
 	Inherits: ^Defense
@@ -657,6 +669,8 @@ FTUR:
 	DetectCloaked:
 		Range: 6c0
 	ProvidesPrerequisite@buildingname:
+	WithBuildingExplosion:
+		Sequences: building, building_napalm, large_explosion, self_destruct
 
 SAM:
 	Inherits: ^Defense
@@ -989,6 +1003,8 @@ SILO:
 	-EmitInfantryOnSell:
 	Power:
 		Amount: -10
+	WithBuildingExplosion:
+		Sequences: building, building_napalm, large_explosion, self_destruct
 
 HPAD:
 	Inherits: ^Building
@@ -1376,6 +1392,8 @@ KENN:
 	Power:
 		Amount: -10
 	ProvidesPrerequisite@buildingname:
+	WithBuildingExplosion:
+		Sequences: building, building_napalm, large_explosion, self_destruct
 
 TENT:
 	Inherits: ^Building
diff --git a/mods/ra/sequences/misc.yaml b/mods/ra/sequences/misc.yaml
index 64e3d2ac88..fa64748390 100644
--- a/mods/ra/sequences/misc.yaml
+++ b/mods/ra/sequences/misc.yaml
@@ -13,46 +13,32 @@ powerdown:
 	idle:
 
 explosion:
+	Defaults:
+		Length: *
 	piff: piff
-		Length: *
 	piffs: piffpiff
-		Length: *
 	water_piff: wpiff
-		Length: *
 	water_piffs: wpifpif
-		Length: *
 	small_explosion: veh-hit3
-		Length: *
 	med_explosion: veh-hit2
-		Length: *
 	small_explosion_air: flak
-		Length: *
 	med_explosion_air: veh-hit1
-		Length: *
 	large_splash: h2o_exp1
-		Length: *
 	napalm: napalm2
-		Length: *
+	building_napalm: napalm2
+		FlipX: true
 	nuke: atomsfx
-		Length: *
 	med_splash: h2o_exp2
-		Length: *
 	self_destruct: art-exp1
-		Length: *
 	artillery_explosion: art-exp1
-		Length: *
 	building: fball1
-		Length: *
 		Offset: 0,-9
 	small_splash: h2o_exp3
-		Length: *
 	large_explosion: frag1
-		Length: *
 		Offset: -2,0
 	small_napalm: napalm1
-		Length: *
+	large_napalm: napalm3
 	corpse: corpse1
-		Length: *
 		Tick: 1600
 		UseTilesetExtension: true
 		TilesetOverrides: