Big Core Custom
Big Core Custom is a boss that attacks mainly with 4 Core Lasers from its own main cannons. The Core Laser has a base damage of 100 (200 in Expert Mode). This boss will align itself with its chosen target regardless of distance and move up and down while firing Core Lasers eastward or westward depending on where it is facing. The boss will only despawn if all players are dead.
It has 2 retaliation styles. It has a style of Spray when receiving damage, firing Bacterion bullets towards the player inaccurately. It has a style of Explode when defeated, spawning a big ammount of 5 layers of Bacterion bullets, each layer having 40 bullets spread out equally in all directions, totalling the number of Bacterion Bullets to 200.
Big Core Custom can only be spawned through the use of Big Blue Bizarre Lens anywhere. It is worth noting that the item can be used multiple times to summon multiple number of Big Core Custom.
| Stat Name | Value |
|---|---|
| Classification | Boss |
| Base Health | 2900 (5800 in Expert) |
| Base Damage | 200 (400 in Expert) |
| Base Defense | 0 (92%) |
| Flying | Yes |
| Phases through tiles | Yes |
| Average Coin Drop | 2 
|
The first boss created in the Gradius series and is a recurring boss and later as a staple enemy. They are known for its simple movement and attack pattern. With each appearance it makes, a noticeable improvement can be observed.
In this mod, it retains its behavior of moving up and down, but this time, fluidly. It also does not stop moving whilst attacking.
For reference: Big Core