With the upcoming release of Topaz and Numby in Honkai: Star Rail version 1.4, players are eager to optimize this new addition to their roster. As the leader of the Special Debts Picket Team, Topaz specializes in follow-up attacks and “debt collection” in battle. This guide will cover the best build for Topaz and Numby in Honkai Star Rail, relics, light cones, and team composition for Topaz and Numby
Who is Topaz and Numby in Honkai Star Rail?

Topaz is the Senior Manager of the Strategic Investment Department and leader of the Special Debts Picket Team. Her partner Numby helps perceive where “riches” are located and aids in debt collection jobs.
As a 5-star Fire character, Topaz’s normal attack deals fire damage to a single target. Her skill, Difficulty Paying?, applies the Proof of Debt debuff and makes enemies take more damage from follow-up attacks. Her ultimate, Turn a Profit!, empowers her partner Numby.
- Normal Attack: Deals Fire DMG to a single enemy target.
- Skill: Difficulty Paying? Applies Proof of Debt debuff and increases follow-up attack damage on the enemy.
- Talent: Trotter Market!? Summons Numby at the start who deals follow-up damage when it takes a turn.
- Ultimate: Turn a Profit! Empowers Numby into Windfall Bonanza state for increased damage.
- Technique: Explicit Subsidy Summons Numby in overworld to search for treasures and Trotters.
Numby itself acts as a secondary attacker, dealing follow-up damage whenever it takes a turn. Properly building Topaz maximizes Numby’s potential as well.
Best Build For Topaz and Numby in Honkai Star Rail
After learning about the abilities and kit of Topaz and Numby, now is the time for the best build for Topaz and Numby in Honkai Star Rail.
- Best Traces to Prioritize for Topaz and Numby in Honkai Star Rail: When leveling Topaz’s traces, focus first on maxing out her talent, Trotter Market!?, to boost Numby’s damage. Next prioritize her ultimate, then skill, and finally normal attack. For major traces, level Overdraft first for bonus crit rate and damage on her basic attack. Then upgrade Financial Turmoil for more fire damage, followed by Technical Adjustment.
- Top Light Cones for Topaz and Numby in Honkai Star Rail: Her signature 5-star light cone, Worrisome, Blissful, is ideal. It increases the crit rate, follow-up attack damage, and adds the Tame debuff. The 4-star Swordplay is a great f2p option, boosting consecutive hit damage against the same target.
- Best Relic Sets for Topaz and Numby in Honkai Star Rail: The 4-piece Firesmith of Lava-Forging set is optimal for the fire damage boosts. Combine with 2-piece Inert Salsotto for increased crit damage at high crit rates. Focus on crit rate, crit damage, and attack% substats.
Best Build For Topaz and Numby in Honkai Star Rail: Recommended Team Composition

Topaz shines as a main DPS, so pair her with supports like Asta for attack buffs. Add a healer like Luocha to sustain. You can also build a full “follow-up attack” meme team with Clara, Himeko, and Herta.
Follow this guide for the best build for Topaz and Numby in Honkai Star Rail. Properly built, Topaz and Numby will wipe out enemies with devastating fiery follow-up attacks. With the right gear and team composition, this debt-collecting duo will dominate the meta in Honkai: Star Rail version 1.4.