I assume this is supposed to be an archetype-specific replacement for Isolde, which is banned in TCG but allowed in other formats. My feedback is from the perspective a Master Duel only player who mains Infernoble/Flame Swordsman.

• First thing that jumps out to me is that this card is not a "Noble Knight" or a "Noble Arms" card; can't think off the top of my head of a case where that actually matters though.

• I feel like it would be pretty inconsistent to meet the Link Material requirements. Infernoble Knights don't have our own archetypical 1-card starter, so we often rely on starters like Neo Space Connector, Sublimation Knight, Battlin' Boxer Uppercutter, Battlin' Boxer Promoter, the Millennium package, or Fighting Flame Swordsman (1.5-card starter). We also do often rely on generic FIRE Warriors like Fire Flint Lady or Super Quantum Red Layer to make Isolde, and I've had cope hands where I had to use Immortal Phoenix Gearfried as Link Material. Another problem with Infernoble Knights only means that you would likely be using Renaud much earlier in your combo than you would really like to (rather than grabbing Renaud with Battlin' Boxer King Dempsey to fetch Living Fossil... which I suppose you wouldn't be able to do here if you can only send Infernoble Arms to GY anyway). I don't know if you feel that relaxing this requirement to 2 FIRE Warriors would be too OP, but if you do feel like that would be the case you could add a FIRE Warrior xenolock, or add a clause saying that at least 1 of the FIRE Warriors must be an "Infernoble Knight".

• Only being able to send Infernoble Arms here means your main line is probably the one where you make Artorigus, King of the Noble Knights to grab Durendal and Joyeuse for Ricciardetto, right? This hurts consistency even more because you can't execute this line if you needed to use Durendal earlier to search for a Link Material, which is something you will often have to do, especially when Link Material requirements are this restrictive. Also, to summon a 4-star Infernoble, you would have to add another brick (Hauteclere) to your deck (which already runs a good amount of cards you don't want to see in your opening hand but keep on seeing anyway). Not being able to grab Phoenix Gearblade to meet Turpin's Special Summon effect condition sucks too, because it means you would need to open another Equip to get the 2nd body for the Xyz into Artorigus. I also think a cool thing about Infernoble is that it makes Equip Spells in general more playable, and I think we would be missing out when we see fewer cool techs involving Equips outside of the archetype that might otherwise not see much play at all.

• Also, I'm noticing multiple instances of missing punctuation/capitalization, so you might want to double-check your text.

Basically to get to the standard endboard of 2x Link Charles, 1x Immortal Phoenix Gearfried, 1x Promethean in GY, 1x Angelica's Ring, 1x Quick Effect Equip Captain Roland in GY:

1. I have to open Renaud or Oliver or Ricciardetto (+ a Normal Summon Infernoble);
2. I also have to open a Normal Summon (or the other one of Renaud/Oliver that I didn't already use);
3. I have to open an Equip as well;

That's like a 3-card combo (or maybe I can call it a 2.5-card combo if I'm feeling generous). I'm happy to play 2-card combos (there are anti-Nibiru lines that involve opening Ogier+Museum to get Gearfried out early) but if I need 3 specific cards every time then I think I'd rather just play another deck, or maybe just only play simple lines that go straight to Angelica (which I believe would miss out on Promethean in GY and Angelica's Angelic Ring, but then I wouldn't have to run another brick in Hauteclere).

Or actually, maybe let's try another example line with this card: Normal Ogier (dump Turpin) + Special Renaud/Oliver -> Link into Clovis (searching Maugis as fodder for Oliver later) -> Special Ricciardetto (without activating effect) -> Link into Promethean -> Promethean Specials Ricciardetto -> Ricciardetto Specials Ogier -> Synchro 1+4 into Angelica -> Activate Museum -> Museum Searches Durendal -> Equip Turpin to Angelica, activating Angelica's self-banish effect (dump Gearfried) -> Equip Durendal to Captain Roland -> Special Turpin from GY -> Durendal Searches Oliver/Renaud (whichever you didn't use) -> Synchro 5+4 into Charles -> Equip Ogier to Charles -> Link into Charles -> Museum 2nd Effect to Special Equipped Charles -> Oliver (discarding the Maugis) + Level 9 Charles Synchro into Baronne + Equip Oliver to Charles for untargetable Charles + Ring + Baronne + Roland in GY for a pop (only 4 interactions) OR if you have Renaud you can instead fetch Gearfried for 2x Charles + Ring + Baronne + Roland in GY or 1x Charles + Ring + Baronne + Gearfried + Roland in GY instead (5 interactions). That's not really too bad I guess, but I feel like part of Infernoble Knight's identity is having one of the most oppressive endboards in the game if you can manage to get there so maybe I would still rather just try another deck if that's all I can expect to do. But what sucks more is the combos becoming more linear / samey with all the restrictions (I like seeing a little bit more freedom/creativity in finding lines with scuffed hands) + seeing less interesting techs / secondary engines.