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Rappa stands out as an AoE Break DMG specialist inHonkai: Star Rail, joining the niche group ofDPS characters alongside Boothilland Firefly. Her key strength lies in her ability to deal impressive Super Break DMG, surpassing even Firefly in that aspect, while also providing AoE capabilities due to her role as an Erudition character. Additionally, Rappa’s talent lets her reduce toughness on enemies that aren’t even weak to Imaginary as long as one enemy is already weakness broken, making her incredibly useful in scenarios withlarge enemy waves, like Pure Fiction.
In terms of building Rappa, her setup shares common ground with Firefly, especially when it comes tostats like Break Effect. However, her build diverges notably in areas such as light cone choices and planar ornament sets. However, there are still quite some similarities among these characters, as far as thebest build for Rappa inHonkai: Star Railgoes.
Best Rappa Relics In Honkai: Star Rail
Equipping Rappa with a 4-pieceIron Cavalry Against the Scourgerelic set is undoubtedly the best option for maximizing her Break DMG potential upon her release. The 2-piece bonus boosts her Break Effect, while the 4-piece bonus allows Rappa to deal even more damage by ignoring enemy defense during Break and Super Break situations—provided players maintain at least 250% Break Effect, which is a manageable target for her. If obtaining this set with ideal substats proves difficult,Thief of Shooting Meteoris an excellent alternative, especially with its 4-piece bonus that increases Break Effect and provides energy regeneration each time Rappa inflicts a weakness break. This is particularly valuable in content with large enemy groups, as it enables more frequent Ultimate activations, which in turn enhances her Break DMG output and Basic Attacks during her Sealform state. As a temporary option, players can also mix sets that provide Break Effect with Speed, as Rappa benefits greatly from surpassing the145 Speed threshold.
For Planar Ornaments, Rappa’s optimalchoice differs from Firefly.Talia: Kingdom of Banditryis her best option, offering increased Break Effect, provided she reaches 145 Speed. Alternatively,Space Sealing Stationis a good option for those focusing on increasing her ATK, aiming for over 3200 during combat to boost her overall damage, including Break DMG.Forge of the Kalpagni Lanternis a more situational option, as it relies on enemies having a pre-existing Fire weakness, which Rappa cannot implement on her own, making it less universally useful than for a character like Firefly.
In terms of stat priorities, players should aim forATK% on the Body and Planar Sphere, Speed boots, and a Break Effect Link Rope. Rappa, unlike standard DPS units, does not require Crit stats, so substats should focus onBreak Effect > SPD > ATKfor maximum effectiveness.
Best Rappa Light Cones In Honkai: Star Rail
Considering that Rappa relies heavily on Break Effect, her best light cone options are somewhat limited in this regard, with only two notable choices providing significant boosts to this stat. Her top option is her signature,Ninjutsu Inscription - Dazzling Evilbreaker, which offers an impressive 60% Break Effect at S1 and also provides energy generation at the start of the battle. Additionally, this light cone allows Rappa to advance forward with her basic attacks, aligning well with her need for consistent action to maximize Break DMG output. For those seeking a less premium option while still emphasizing Break Effect,After the Charmony Fallis an excellent alternative. When max superimposed, it offers similar Break Effect to Rappa’s signature, along with the added benefit of increasing her Speed after using her Ultimate, making it highly synergistic with her playstyle.
Beyond Break Effect, Rappa has a few other viable light cone options, though they focus more on ATK and utility.Eternal Calculusis her best fully F2P option, offering a significant ATK boost and a Speed increase when there are more than three enemies, making it a solid choice for multi-target encounters. For players with access to freemium options,Night on the Milky Waycan be a strong consideration, as it greatly boosts Rappa’s ATK, though the damage dealt doesn’t fully align with her Break DMG focus. Lastly,Geniuses' Reposeis a potential choice if maxed out at S5, functioning primarily as a stat stick with a 32% ATK boost. However, the secondary Crit DMG effect is not particularly useful for Rappa, as she doesn’t rely on Crit stats.
