Bossbar

A bossbar is a bar at the top of the screen that can track health of a boss mob or the total health of raid mobs.

The bossbar of the wither.

The bossbar of the ender dragon.

The bossbar of a raid in Java Edition. It is divided into several parts and the remaining number of raiders is visible.

The bossbar appears naturally in the game through three means: during a raid, after constructing a wither, and upon entering the End if the ender dragon has not yet been defeated.

Creation Edit

Manual Edit

This feature is exclusive to Java Edition.

This section needs expansion.

You can help by expanding it.

In Java Edition, a bossbar can be created manually using the /bossbar command.

Natural Edit

Boss mobs Edit

A bossbar appears in the top center of the screen when near a wither or ender dragon. For the ender dragon's bossbar to appear, the player must be within a Euclidean distance of 192 blocks from the coordinates (0.0, 192, 0.0) in the End dimension.^{[needs testing]} For the wither's bossbar to appear, the player must be loading the chunk the wither is in and be within 24 chunks and 3.5 blocks of a chunk the wither is in. For the bossbar to update after taking damage, a mob has to have the NBT-Tag NoAI set to 0b. ^[1]

Raids Edit

When a player is within a 93 block radius of the center of a raid, a raid bossbar appears, showing the total health of all raid mobs present during the current wave.

Components Edit

Color Edit

The bossbar has colors depending on which boss mob or event is active:

the ender dragon has a color of pink,
the wither has a light purple bossbar in Java Edition, or a dark purple bossbar in Bedrock Edition,
the raid bossbar has a color of red.

Style Edit

A bossbar has a style attribute. It can be either "progress", "notched_6", "notched_10", "notched_12" or "notched_20". The value "progress" creates a clean bar, while the other ones create a notched bar with 6, 10, 12 or 20 segments.

The ender dragon and wither own a "progress" bossbar. The bossbar shown during a raid uses the "notched_10" style in Java Edition, and the "progress" style in Bedrock Edition.

ID system Edit

A bossbar has an ID, which can be used to do certain actions with one bossbar. An ID is not shown on the bossbar^[verify].

Removal Edit

This section needs expansion.

You can help by expanding it.

Manual Edit

A bossbar can be disabled by using /bossbar remove <id>.

Natural Edit

A bossbar for the ender dragon or wither can be removed by killing it. A bossbar for a raid can be removed by completing the raid, which is to kill all the raiders involved in this raid.

History Edit

[hide]Java Edition
1.0			Beta 1.9 Prerelease 6				Added bossbars.
							The only color is pink.
							Ender dragons use bossbars.
							"Boss health" was displayed over the bossbar.
1.4.2			12w34a				Withers use bossbars.
1.4.2			12w34b				Added boss names above the wither.^[verify]
1.5			13w05b				Ender dragons now properly display their names above their bossbar.^[2]
1.9			15w31a				Withers now have a purple bossbar.
							Multiple bossbars can now show without overlapping.
							Bossbars are no longer briefly visible after respawning or opening a new world.^[3]
							Bossbars are now visible even when the boss is not being looked at.^[4]
							Bossbars now have a smooth animation when the bar fills up or empties.
			16w02a				Ender dragons created using `/summon` no longer show a health bar.
1.11			16w32a				Ender dragons with custom names now show their name above their bossbar.^[5]
1.11.1			16w50a				Withers with custom names now show their name above their bossbar.^[5]^[6]
1.13			18w02a				Unnamed ender dragons now show "`entity.EnderDragon.name`" above their bossbar, rather than "Ender Dragon".^[7]
			18w03a				Ender dragons now show "Ender Dragon" again.^[7]
			18w05a				Added the `/bossbar` command, which can create a custom bossbar.
1.14			18w47a				Raids use bossbars.
			18w49a				The raid bossbar now slowly fills up when a raid is triggered or when a wave is cleared.
			19w13b				Notched bossbars now display correctly when more than one is active.^[8]
1.16			20w17a				Bossbars with scores now update correctly when reloading the world.^[9]
1.19			22w11a				Notched bossbars now display correctly when more than one is active.^{[more information needed]}^[10]
[hide]Pocket Edition Alpha
v0.16.0			build 1				Added bossbars.
v0.16.0			build 1				The Wither is the only mob to currently have a bossbar.
[hide]Pocket Edition
1.0.0							Ender dragons added with their respective bossbars.
[hide]Legacy Console Edition
Xbox 360	Xbox One	PS3	PS4	PS Vita	Wii U	Switch
TU9	CU1	1.00	1.00	1.00	Patch 1	1.0.1	Added bossbars.
							The only color is pink.
							Ender dragons use bossbars.
TU19	CU7	1.12	1.12	1.12			Withers use bossbars.
TU54	CU44	1.52	1.52	1.52	Patch 24	1.0.4	Multiple bossbars can now show without overlapping.
							Bossbars are now visible even when the boss is not being looked at.^{[is this the correct version?]}
							Bossbars now have a smooth animation when the bar fills up or empties.
			1.91				Raids use bossbars. Unlike in Java edition, the color is pink instead of red and the bossbar is not divided into several parts

Issues Edit

Issues relating to "Bossbar" are maintained on the bug tracker. Issues should be reported and viewed there.

Gallery Edit

First image of multiple bossbars.

References Edit

↑ MC-84243 — resolved as "Works As Intended".
↑ MC-7700
↑ MC-4474
↑ MC-68062
↑ ^{Jump up to: a} ^b MC-83571
↑ MC-110234
↑ ^{Jump up to: a} ^b MC-124113
↑ MC-146070
↑ MC-135738
↑ MC-165036

Navigation Edit

[A-1] MC-84243 — resolved as "Works As Intended".

[2] MC-7700

[3] MC-4474

[4] MC-68062

[MC-83571-5] {Jump up to: a} ^b MC-83571

[6] MC-110234

[MC-124113-7] {Jump up to: a} ^b MC-124113

[8] MC-146070

[9] MC-135738

[10] MC-165036

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