Firegrass + Unknown Warrior of Fiend → Charubin the Fire Knight

Firegrass + Mavelus → Crimson Sunbird

Firegrass + Protector of the Throne → Queen of Autumn Leaves

Firegrass + Mystical Sheep #2 → Flame Cerebrus

Firegrass + Serpent Marauder → Snakeyashi

Firegrass + Moon Envoy → Flame Swordsman

Firegrass + Masaki the Legendary Swordsman → Flame Swordsman

Firegrass + Dragoness the Wicked Knight → Flame Swordsman

Firegrass + One-eyed Shield Dragon → B. Dragon Jungle King

Firegrass + Wicked Dragon with the Ersatz Head → B. Dragon Jungle King

Firegrass + Sonic Maid → Queen of Autumn Leaves

Firegrass + Kurama → Mavelus