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Background

Covered Tetran is the Tetran variant that appears in Gradius IV. It is the only Tetran that has destroyable arms. In fact, destroying all it's arms kills it.

Attack Pattern

Covered Tetran flails its arms for a few seconds after appearing. During this time, it is invulnerable, even though the core is open. After this, it slowly rotates its arms around the main core, like the normal Tetran. Unlike the normal Tetran, it fires both bullets and mines. These mines can be destroyed, however. Once two arms are destroyed, it will begin to spin them around it's body rapidly, making it difficult to approach. It will spin it's last arm faster to compensate for the lost ones. Covered Tetran is actually very difficult to destroy properly. Most people destroy the arms, which kills it anyway.

Gradius IV
Ships Vic Viper
Stages Liquid MetalPlantBubbleMagmaMoaiCellHigh SpeedBoss RushFinal Fortress
Bosses Yorogaton ChimeraDendrodiumBubble CoreGilladorAlpha/OmegaBerialRolling CoreVanishing CoreBig Core MK IIICovered TetranBerserk CorePlanet CoreBloody GateCrab-IIGofer
Core Warships
Big Cores Big Core MK IBig Core Rev. 1.2Big Core MK IIBig Core MK II KaiBig Core MK IIIBig Core MK IV
Big Core variants BeaconBlaster Cannon CoreBubble CoreCircle CoreCoreshipCrater CoreCrystal CoreDellinger CoreDesert CoreHeaven's GateJuggler CoreLizard CoreNeo Big CorePerla MeraldaRexion CoreRolling CoreShining CoreSuper Big CoreTerra CoreVanishing CoreViva CoreGenocide CoreOdin Core
Core-style bosses Abaddon WarshipBubble EyeCovered CoreCovered Core MK IIDead EndKrakenMayhem WarshipMetal SlaveMisfit WarshipQueensrÿcheRiot WarshipPlate Core
Pseudo-Cores DeathDeath MK II (DeathDouble) • Death MK IIIBeta CoreNobilTriple CoreCrash Bam
Tetran variants Tetran (Zylom) • Covered TetranCrystal Core D-X02Laser TetranTenny Rop