Shield

Shield can refer to these mechanics:
 * Rainmaker Shield
 * Zapfish

Or the weapons in the Brella class:

Or the sub weapon:

Or the special weapons:
 * , as it allows the player to be invincible for a certain amount of time.
 * , as it allows the player to be invincible for a certain amount of time.
 * , as it gives the player extra health for a certain amount of time.
 * , as it gives the player extra health for a certain amount of time.
 * , as it shields the player from damage.
 * , as it gives the player extra health for a certain amount of time.
 * , as it shields the player from damage.
 * , as it shields the player from damage.
 * , as it shields the player from damage.
 * , as it shields the player from damage.
 * , as it allows the player to be invincible for a certain amount of time.

Or these enemies:
 * Octoballer
 * Octodisco
 * Shielded Octotrooper

Or the Boss Salmonids with shields:
 * Steelhead
 * Flyfish
 * Steel Eel
 * Drizzler
 * Scrapper
 * Flipper-Flopper
 * Slammin' Lid
 * Griller