Jewels are extremely important. They give significant boosts. Mediocre gear with amazing jewels can sometimes be statistically better than amazing gear with no jewels. Of course, amazing gear with amazing jewels is definitely the ultimate goal. What are the different kinds of jewels? MONSTER JEWELS • Saber Jewel: Cavalry Max HP & Travel Speed • Trojan Jewel: Infantry Max HP & Travel Speed • Grim Jewel: Ranged Max HP & Travel Speed • Gargantua Jewel: Cavalry ATK & Cavalry DEF • Terror Jewel: Infantry ATK & Infantry DEF • Wyrm Jewel: Ranged ATK & Ranged DEF • Noceros Jewel: Food Production Rate & Army Capacity • Gryphon Jewel: Trap ATK & Trap DEF REGULAR JEWELS • Wall DEF Jewel: Wall DEF Boost • Trap DEF Jewel: Trap DEF • Cavalry DEF Jewel: Cavalry DEF • Infantry DEF Jewel: Infantry DEF • Ranged DEF Jewel: Ranged DEF • Trap ATK Jewel: Trap ATK • Engine ATK Jewel: Siege Engine ATK • Cavalry ATK Jewel: Cavalry ATK • Infantry ATK Jewel: