You can get coupons from the daily sign-in(seals also),wishing tree,online pack from the benefit hall,convoy and plunder,9tails invasion,ranked/spacetime when you reach certain ranks,some events like the myoboku trial,lucky *,and wheel of fortune have coupons in them(seals also and i think are the only events that have coupons in them.The lucky stars wheel and the great plates event gives seals),lucky wheel in the group base,summon capture,kakashi ninjutsu trial,anko's ninja test(there's a chance of 20 coupons),konoha's ninja puzzle(there's a chance),lucky board has 5 coupons,when you recruit a certain amount of ninjas,you can get 50 coupons,the bond level ninja thing in "Home" which some ninjas gives seal frags,there's a chance survival gives coupons and seals (so far,i've gotten 10-30 coupons and idk how many seals),and the cat quiz gives coupons.Great Ninja War packs,when you do sealed ninja(there's a chance),and "Monthly Event" gives seals too,if you go to "Space Time",then go to "Strongest Ninja" and click on "Redeem",that little shop gives seal frags which you can only get 1 frag per day for 5k bet chips.The weekend events gives coupons and seal scrolls too.

Post your available ninjas you have now so that the people here can help you to build a viable team for you to use in Arena :D

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