Honkai: Star Rail Topaz and Numby Character Guide

Deals Fire DMG equal to 50%–110% of Topaz's ATK to a single enemy.

Inflicts a single target enemy with a Proof of Debt status, increasing the DMG it takes from follow-up attacks by 25%–55%. Proof of Debt only takes effect on the most recent target it is applied to. If there are no enemies inflicted with Proof of Debt on the field when an ally's turn starts or when an ally takes action, Topaz will inflict a random enemy with Proof of Debt.
Numby deals Fire DMG equal to 75%–165% of Topaz's ATK to this target. Using this Skill to deal DMG is considered as launching a follow-up attack.

Numby enters the Windfall Bonanza! state and its DMG multiplier increases by 75%–165% and CRIT DMG increases by 12.5%–27.5%. Also, when enemies with Proof of Debt are hit by an ally's Basic ATK, Skill, or Ultimate, Numby's action is Advanced Forward by 50%. Numby exits the Windfall Bonanza! state after using 2 attacks.

Summons Numby at the start of battle. Numby has 80 SPD by default. When taking action, Numby launches follow-up attacks on a single enemy target afflicted with Proof of Debt, dealing Fire DMG equal to 75%–165% of Topaz's ATK.
When enemies afflicted with Proof of Debt receive an ally's follow-up attacks, Numby's action is Advanced Forward by 50%. The action Advance Forward effect cannot be triggered during Numby's own turn.
When Topaz is downed, Numby disappears.

Summons Numby when Topaz enters the overworld. Numby will automatically search for Basic Treasures and Trotters within a set radius.
Using her Technique will regenerate 60 Energy for Topaz after Numby's first attack in the next battle.
If Topaz is still in the team after using her Technique and defeating overworld enemies, a small bonus amount of credits will be added to the earned credits. A maximum of 10000 bonus credits can be received per calendar day.
After using her Technique and defeating enemies in Simulated Universe, additionally receive a small amount of Cosmic Fragments with a small chance to obtain 1 random Curio.

1) Worrisome, Blissful

Increase the wearer's CRIT Rate by 18~30% and their follow-up attacks' DMG by 30~50%. After the wearer uses a follow-up attack, apply the Tame state to the target, stacking up to 2 stacks. When allies hit enemy targets under the Tame state, every Tame stack increases the CRIT DMG dealt by 12~20%.

2) Cruising in the Stellar Sea

Increases the wearer's CRIT rate by 8~16%, and increases their CRIT rate against enemies with HP less than or equal to 50% by an extra 8~16%. When the wearer defeats an enemy, their ATK is increased by 20~40% for 2 turn(s).

3) Swordplay

For each time the wearer hits the same target, DMG dealt increases by 8~16%, stacking up to 5 time(s). This effect will be dispelled when the wearer changes targets.

4) Sleep Like the Dead

Increases the wearer's CRIT DMG by 30~50%. When the wearer's Basic ATK or Skill does not result in a CRIT Hit, increases their CRIT Rate by 36~60% for 1 turn. This effect can only trigger once every 3 turn(s).

5) Only Silence Remains

Increases the wearer's ATK by 16~32%. If there are 2 or fewer enemies on the field, increases wearer's CRIT Rate by 12~24%.

6) Final Victor

Increases the wearer's ATK by 12~20%. When the wearer lands a CRIT hit on enemies, gains a stack of Good Fortune, stacking up to 4 times. Every stack of Good Fortune the wearer has will increase their CRIT DMG by 8~12%. Good Fortune will be removed at the end of the wearer's turn.