Gems

there are alot of gems in the game and you can get them all in shop or campaign.

Attack ruby 1: increase captains attack by 13

attack sapphire 1: increase captains attack by 9

attack emerald 1: increases captains attack by 5

defense rubby 1: increases captains defense by 5

deffense sapphire 1: increase captains defense by 13

defense emerald 1: increase captains defense by 9

dex ruby 1: increase captains dex by 9

dex sapphire 1: increase captains dex by 5

dex emerald 1: increase cpatains dex by 13

spd ruby 1: increase captains spd by 9

spd sapphire 1: increase captains spd by 5

spd emerald 1: increase captains spd by 13

power ruby 1: increase a aire ship attack by 0.7%

power sapphire 1: increase a airships attack by 0.3%

power emerald 1: increase a airships attack by 0.3%

hull ruby 1: increases a airships hull inegrity by 0.2%

hull sapphire 1: increase a airships hull integrity by 0.4%

hull emerald 1: increase a airships hull integrity by 0.3%

armor rubby 1: increases a airships armor by  0.2%

armor sapphire1: increase a sirships armor by 0.5%

armore emerald 1: increase a airships armor by 0.4%

malice ruby 1:  increase ciritcle strike damage by 2.2%

malice sapphire 1: increase criticle strike damage by  1.4%

malice emerald 1: increase criticle strik damage by  0.7%

ferocity ruby 1: increase criticle strike rate by 0.4%

ferocity sapphire 1: increase critlce stike rate by 0.2%

forocity emerald 1: increase critle criticle strike rate by 0.7%

chrono ruby 1: increase double strike rate by 0.6%

chrono sapphire 1: increase double strike rate by  0.3%

chrono emerald 1: increase doublestrike rate by 0.9%

regen ruby 1: increases AR regeneration rate by 0.3%

regen sapphire 1: increase AR regerneration rate by 0.8%

regen emerald 1: increase AR regerneration rate by 0.5%

exp ruby 1: increase EXp erned by10%

cannon diamond 1: increase cannon expertise to grade D. captains with greater expertise are unaffected.

exo diamond 1:  increase beamn expertise to grade D. captains with greater expertise are unaffected.

rocket diamound 1:  increase rockets expertise to grade D. captains with greater expertise are unaffected.

shuttle diamond 1:  increase shuttle expertise to grade D. captains with greater expertise are unaffected.

blimp diamond 1:  increase blimp expertise to grade D. captains with greater expertise are unaffected.

zeppelin diamond 1:  increase zeppelin expertise to grade D. captains with greater expertise are unaffected.

destroyer diamond 1: increase destroer expertise to grade D. captains with greater expertise are unaffected.

and if you fuse the gesm itwill go to a higher level like level 2 and 3