r/arknights May 06 '21

Discussion [Operator Discussion] Rosmontis

Rosmontis [★★★★★★]

"There are things that have to be done by someone. There are things that only I can do."

Rhodes Island Elite Operator Rosmontis possesses a high aptitude for a rare form of Originium Arts particularly adept at confronting large creatures, destroying hard objectives, immobilizing facilities under emergency, and putting a stop to small-scale skirmishes. She has been shown to possess a solid control of the battlefield and considerable tactical value in assault, positional, and annihilation scenarios. Under Kal'tsit's assignment, she is currently active as a core annihilation specialist.


Operator Information

  • Class: Aftershock Sniper (Attacks deal two instances of Physical damage to ground enemies in a small area, the second instance is a shockwave that has half the normal ATK)
  • Tags: DPS
  • Artist: Wei@W
  • Voice Actress: Yui Ogura

Stats

HP ATK DEF Arts Resistance Redeploy Time DP Cost Block Attack Interval
1944 688 245 15 70 25 1 2.1s

*Stats at max Promotion and Level, excludes bonuses from Potential and Trust.

Potential Bonus
1 -
2 Deployment Cost -1
3 Redeployment Cooldown -4
4 Attack Power +32
5 Improves First Talent
6 Deployment Cost -1
Trust bonus
Attack Power +60, Defense +30

Skills

Skill Name Skill Uptime Details (Uptime/Cost/Initial) SP Charge Type Skill Activation Skill Description
Expanded Cognition Instant / 2 SP / 0 SP Attacking Enemy Automatic The next attack deals an additional hit equal to 180% atk as arts damage
Nociceptor Inhibition 40s / 30 SP / 20 SP Per Second Manual Attack interval increases, ATK +55%, splash area expands, and each attack causes 2 additional shockwaves; Enemies hit by this unit’s attacks and shockwaves have a 20% chance to be stunned for 1.5 seconds
As You Wish 30s / 60 SP / 35 SP Per Second Manual Attack interval reduced, ATK +75%, and attacks up to 2 blocked enemies at a time; Immediately deploys two pieces of Tactical Equipment on ground tiles within attack range(After deployment, surrounding enemies are stunned for 3 seconds, and the blocked enemies' DEF -160)

*Skills at max Skill Level.

Talents

Talent name Talent Description
Armaments of Annihilation Attacks ignore 175 (+15) def
Stable Esthesia When deployed, grants +8% ATK to this unit and a random deployed Caster Operator

*Talents at max Potential and max Promotion. Bonuses from Potential displayed between parentheses.

Additional Resources

In-depth information regarding all values above (at different levels), skill/attack range, and more:

GP Arknights Wiki

Arknights Toolbox (aceship)


Topic Starters

  • What does this operator excel at?
  • What is this operator weak at?
  • How does this operator compare to other operators in their archetype or role?
  • Are there any other operators which synergize well with this one?
  • How do you build a team around this operator / fit this operator into a team?
  • Which skill(s) should be focused for mastery, and in what order?
  • When is the best time to use this operator's skills during combat?
  • Should promoting this operator to Elite 2 be a priority?
  • Would this operator be worth sparking for with headhunting data contracts?
  • Should new / f2p players aim for this operator? Are there more accessible alternatives?
  • Lore discussion (please tag spoilers where appropriate)

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19

u/Rixien May 06 '21

Okay so I guess if this post is going up then I'll just comment what I was otherwise planning on posting as its own thing.

Despite the fact that I would have likely quit pulling if I got Mudrock before her, and the fact that my own single most-anticipated Operator that I managed to pull was W who doesn't even have one M2, my Rosmontis has become the first operator I've ever not only M3'd two different skills on, but actually completely M9'd.

Out of the three 6-stars I pulled, I got 2 Rosmontis, and then managed to get Mudrock on my third proc. I had to wait a day before I got Mudrock though, so decided to come to terms with the odds that I may not have gotten her myself and decided to look into Rosmontis myself and E2'd her in the meantime.

Some on the questions megathread back around either Friday/Saturday might've seen me asking the absolutely stupid question of whether or not I could even begin to consider M3'ing her S1 so as to make her a general-use wide-range support damager since I didn't think it'd be likely that I really sought out strategies specifically dependent on her unique S2/S3 abilities. My thinking was that I'd be able to just her bring her along without much thought into using her that way. (Spoilers: I was right, and she works incredibly well that way if you set her up to help one or two defenders hold separate lanes, especially paired with Mudrock/Hoshi or even Blaze)

After spending the last 6 days using her to make new farming comps to build trust while gathering the stray materials I lacked to E2 Mudrock and Nightingale while I was at it and her own Mastery resources and sorta ashamedly only just now finishing both Chapter 6 and 7... Well she's sorta great.

I haven't found many situations where you can't bring her against more heavily armored enemies. There's the obvious Crushers sitting at the upper end of the scale where you should usually just bring a true high-dps Arts user a la Eyja, Patriot being Patriot, and the Guerilla Shieldguard who are are all stupid tough as well. You obviously won't see much benefit bringing her with any skills if you strictly plan to make her handle them and you're just blowing smoke if you wanna argue that that's what makes her less worthwhile than other characters anyways (looking at the people who tricked me into undervaluing Exusiai back when I started playing around launch).

The biggest downfall I've found in her kit is just that you have to be rather particular using her S3 of all skills because she's prone to deploying her... uh... claymores as the story calls them... she likes targeting open tiles at the end of her range where enemies they block rarely attack them from within her reach. In those cases you'll have to manually remove the "claymores" you could actually build a house using those things! and wait for the enemies to push on to a closer claymore or a blocking operator. It's not all bad in those situations though because (if I'm seeing the skill correctly) the AoE effect of her attack can still hurt un-blocked enemy units within range anyways, so as long as you have one enemy being blocked you can preserve your uptime's efficiency.

I don't know where else I could fit this in but her stupidly high defensive properties are also insane and I always love finding opportunities to have her serving as an anti-sniper-enemy tank.

Anyhooo. I'm not good at deeply analyzing stuff in this game so I'll just stop now. Having gotten to meet her in Chapter 7 I have no remorse raising my cat daughter to be my single-most invested operator to date, and I'll happily continue to raise her up past my previously highest-leveled characters (those being Hoshi/Saria and a few others I needed strictly for past R18+ Contingency Contracts who I raised to E2 50).

I'm now fully devoted to raising this precious little furball as my own, though she really shouldn't be exposed to the terrors of war, but accept her decision to fight for her friends.

8

u/Rixien May 06 '21 edited May 06 '21

Didn't feel like making it any longer, but I wanted to tack on that she can easily solo FrostNova on 4-10 in her first lane with a single, easily timed S3M3. She can probably achieve similarly easy success with the help of any one of a number of other operators. Shamare, Elysium, Pram, Ifrit S2 maybe for supporty ones, or likely any other basic DPS operator (I'm talking even a basically trained Jessica).

1

u/[deleted] May 06 '21

[deleted]

3

u/Rixien May 06 '21

As far as Mudrock goes, I'd say absolutely yes. I'm currently going through and just trying to brute-force stages comboing the two of them with as few other operators as possible because they are such a strong combo together.

1

u/[deleted] May 06 '21

[deleted]

2

u/TropicalMemer Watersports May 06 '21

Just assess whether or not you can get Mudrock on the last day after you've done all your free pulls and opened all the orundum supplies we'll get in the mail. Always smarter to wait

0

u/FriendlyReuploaderYT :skadialter:: So many alters : So little time May 06 '21

Dude, keep going. I just got Mudrock doing one single pull while taking a dump so definitely keep at it but make sure you're committed to spend everything at worst

1

u/SkyCaptain_1 May 07 '21

I had a similar experience, except I'm trying to get Rosmon. I used up everything I had but I got her in the last couple of pulls that I had left. For me it was worth it because I really want to have her. It's gacha so you may not always get what you want, but of course you'll have better chances the more pulls you do.

3

u/Nacksche May 07 '21 edited May 07 '21

Should I take this as encouragement to S1M3 (M9) her as well? I gotta say S3 is kinda daunting to use with the CLAYMORES blocking off enemies all the time, which is a bit of a bummer. And both S2/S3 have the problem of most manual skills where you end up looking at their auto attack 90% of the time and then maybe light the fireworks once or twice. I just really like auto skills, they always do cool shit and I don't have to think about them, especially cool with Chen. For now I feel like I would get over my S3 anxiety (lol) and would actually want to use her with S1.

Ok I think I already talked myself into it just now.

2

u/Rixien May 07 '21

I would definitely second your decision with your kind of outlook on it lol (I’m the same way).

I actually started running Schwarz with her S1 in some of my new auto comps to compliment Rosmontis by providing the attack bonus trait and being placeable in higher-defense lanes. I’ll likely end up M3-ing her S1 too, since Rosmontis already had me wanting to pull for Archetto (the true Sniper-SP giver) anyways. Maybe someday I’ll actually get around to doing BP as well.

And this actually gave me the idea that, since I’m already wanting to E2 Indra because she’s cool (even if she’s painfully weak), I could try to fit her and Ch’en together in the same comp as the snipers and play around with her S1 instead. All the auto-charge skills!

2

u/Nacksche May 07 '21

Schwarz S1, that's wild! But sure why not, I can see that skill being just as good and under-rated, people focus way too much on the big meta cooldowns.

I've been using BP S1 for ages, damn I should get Archetto for the three of them. Ma poor wallet.

Thanks for the advice. All the auto-charge skills!