You cannot promote a dancer in any fire emblem game.
No. You cannot change classes in Fire Emblem 7, you can only promote your units.
Yes. He becomes a vanguard at the end of Part 3.
Talk to him with Lalum (Dancer) or Elphin (Bard) in Chapters 13 or 15
The last Fire Emblem to come out was Fire Emblem: Shadow Dragon for (DS). Past US titles include... Fire Emblem (GBA), Fire Emblem: The Sacred Stones (GBA), Fire Emblem: Path of Radiance (GameCube) and now Fire Emblem: Shadow Dragon (DS). Fire Emblem: Path of Radiance is the prequel to Fire Emblem: Radiant Dawn and Fire Emblem (GBA) is the prequel to Fire Emblem: Shadow Dragon (DS). There are more Fire Emblem games in Japan, but no others have been translated.
1. Fire Emblem: Ankoku Ryuu to Hikari no Tsurugi 2. Fire Emblem Gaiden 3. Fire Emblem: Monshou no Nazo 4. Fire Emblem: Seisen no Keifu 5. Fire Emblem: Thracia 776 6. Fire Emblem: Fuuin no Tsurugi 7. Fire Emblem: Blazing Sword 8. Fire Emblem: The Sacred Stones 9. Fire Emblem: Path of Radiance 10. Fire Emblem: Radiant Dawn 11. Fire Emblem: Shadow Dragon 12. Fire Emblem: Shin Monshou no Nazo ~Hikari to Kage no Eiyuu~ 13. Fire Emblem Awakening
No, Fire Emblem Sealed Sword is Fire Emblem 6. Fire Emblem 7 is the prequel to Sealed Sword and are separate games.
The master Crest is used to promote any non-lord character in fire emblem, as long as they are over level 10. In Path of Radiance and Radiant however, theives also can not be promoted this way.
In Fire emblem the sacred stones you can get the character that's in Joshua's class type to promote to swordmaster or ninja person as well as the one queen ismaire after beating certain parts of the game. In Fire emblem radiant dawn you get the character Mia already as a swordmaster when in Ike's group campaign deal.
Marth and Ike are both in the Fire Emblem series, but are not in the same game. Marth is in: Fire Emblem: Ankoku Ryuu to Hikari no Tsurugi Fire Emblem: Monshou no Nazo Fire Emblem: Shadow Dragon Fire Emblem: Shin Monshou no Nazo - Hikari to Kage no Eiyuu while Ike is only in: Fire Emblem: Path of Radiance Fire Emblem: Radiant Dawn Both are also in Fire Emblem Awakening but as add on content
You have to wait until you get a Heaven Seal. After that you can promote Lyn, Hector or Eliwood if they are above level 10. And Don't worry you will get 3 Heaven Seals so it doesn't matter who you promote first.
Marth is in: Fire Emblem: Ankoku Ryuu to Hikari no Tsurugi Fire Emblem: Monshou no Nazo Fire Emblem: Shadow Dragon Fire Emblem: Shin Monshou no Nazo - Hikari to Kage no Eiyuu He is also 'in' Fire Emblem Awakening, but only is available as add on content
The GameBoy Advanced as the most Fire Emblem games. Fire Emblem: Fuuin no Tsurugi, Fire Emblem: Blazing Sword, and Fire Emblem Sacred Stones were all released for the Nintendo GameBoy Advanced.