BayHas Favorite Item

A Fire Code, Burst 1 Defender Rocket Launcher Nikke.
Her core is damage distribution and cover-based survival support, which is especially valuable in the Arena.
In campaign and boss content she has low versatility and is used situationally.

You Can Do It applies tiered damage-taken distribution and Increased DEF to all allies when she uses her Burst.

Cheer Up Together applies tiered damage-taken distribution to her cover when she uses her Burst, and briefly restores cover HP after Full Burst ends.

First Winner raises the Max HP of cover for her own cover and grants all allies Damage Taken reduction. Her Burst cooldown is 40 seconds.

Auto works by default.
In the Arena, manage positioning and hit order so Bay's cover does not break first.
Once her cover breaks, her protection drops sharply, so adjust your re-entry timing.

As a survival support, prioritize HP and defense cubes. If you have a higher-level Harmony Cube, consider level before order.

Secure survival with DEF, and add Charge Speed to help with Burst Gauge management.

Her key functions unlock at low levels, so heavy investment is inefficient. For practical use, stopping at 4/4/4 is fine.

Her main use is the Arena. In PvE she is used only in limited cases for specific survival support rather than as a general pick.

Damage distribution and Damage Taken reduction greatly boost team survival.
Effective for withstanding enemy burst damage during key Arena moments.

Her protection drops sharply once her cover breaks.
Her Burst cooldown is 40 seconds, so rotation is slow.
She has low PvE versatility and is rarely a main pick.