Tyrian boss: Dreadnought
Dreadnought is a boss of Tyrian, fought in 1 level: Dread-Not (episode 4).

Fights
Each fight lists the parts the game tracks with the boss health bar. Pictures link to each part's card in the bestiary; armor is at Normal difficulty.
Dread-Not (episode 4 — group 1 of 5)
Picture: parts placed as the level spawns them.
5 parts, armor 30 (4 indestructible) at Normal difficulty.
Dread-Not (episode 4 — group 2 of 5)
Picture: parts placed as the level spawns them.
5 parts, armor 30 (4 indestructible) at Normal difficulty.
Dread-Not (episode 4 — group 3 of 5)
Picture: parts placed as the level spawns them.
9 parts, armor 30 (8 indestructible) at Normal difficulty.
Dread-Not (episode 4 — group 4 of 5)
Picture: its biggest part.
9 parts, armor 30 (8 indestructible) at Normal difficulty.
Dread-Not (episode 4 — group 5 of 5)
Picture: parts placed as the level spawns them.
10 parts (10 indestructible) at Normal difficulty.
Name and sources
Data cubes talk about the dreadnought fought near Savara; Fandom gives it as the boss of Dread-Not. The game tracks five successive groups in that level, one per section of the ship.
- In-game data cubes dc_4_33 and dc_4_39: the dreadnought fought near Savara
- Tyrian Fandom wiki, level pages (boss field of the level infobox)
- Dreadnought on the Tyrian Fandom wiki
Technical names
Parts as named for modders: cyber_spheres_51, cyber_spheres_52, cyber_spheres_57, cyber_spheres_59, bank_33_26b, cyber_spheres_53, cyber_spheres_54, cyber_spheres_60, cyber_spheres_58, cyber_spheres_20, cyber_spheres_21, cyber_spheres_29, cyber_spheres_30, cyber_spheres_22, cyber_spheres_23, cyber_spheres_31, cyber_spheres_32, cyber_spheres_37, cyber_spheres_38, cyber_spheres_39, cyber_spheres_40, cyber_spheres_44, cyber_spheres_45, cyber_spheres_46, cyber_spheres_47, cyber_spheres_24, cyber_spheres_25, cyber_spheres_26, cyber_spheres_15, cyber_spheres_16, cyber_spheres_17, cyber_spheres_09, cyber_spheres_10, cyber_spheres_05, cyber_spheres_06.
Sprite banks: Cyber spheres, Bank 33.