Named Juvenile Casebook

For 5s after Shikanoin Heizou takes the field, his Normal Attack SPD is increased by 15%. He also gains 1 Declension stack for **Heartstopper Strike**. This effect can be triggered once every 10s.

Investigative Collection

The pull effect of the Arresting Windtunnel created by **Windmuster Kick** is enhanced, and its duration is increased to 1s.

Esoteric Puzzle Book

Increases the Level of **Heartstopper Strike** by 3. Maximum upgrade level is 15.

Tome of Lies

The first Windmuster Iris explosion in each **Windmuster Kick** will regenerate 9 Elemental Energy for Shikanoin Heizou. Every subsequent explosion in that Windmuster Kick will each regenerate an additional 1.5 Energy for Heizou. One **Windmuster Kick** can regenerate a total of 13.5 Energy for Heizou in this manner.

Secret Archive

Increases the Level of **Windmuster Kick** by 3. Maximum upgrade level is 15.

Curious Casefiles

Each Declension stack will increase the CRIT Rate of the **Heartstopper Strike** unleashed by 4%. When Heizou possesses Conviction, this Heartstopper Strike's CRIT DMG is increased by 32%.