Anti-hoard design
HA09 retraining 3* troops, and HA10 retraining 5* heroes, are limited to a queue length of 1 ( see notes )
This appears to be an anti-hoard design for food, and iron
Consumables
HA09 requires 171 k iron, and 28.57 recruits, per day, and no other materials are consumed ( retraining does not reduce the number of 3* troops )
HA10 requires 184 k food, and 42.85 recruits, per day, and no other materials are consumed ( retraining does not reduce the number of 5* heroes )
Reducing hoards
All other training, in Hero Academy, seem designed to empty players’ hoard of 1* to 3* farmable ascension items as quickly as possible
Guaranteed rare ( see notes )
Compare to Guaranteed Rare ( RT12 ) which uses 1x 1* ingredient per day
Undo training
Users cannot undo the last training in a queue
By limiting the queue to 1, you cannot undo HA09, and HA10 retraining
By limiting the queue to 1, you cannot store huge amounts of iron, and huge amounts of food, using non consumed duplicate 4* troops, and non consumed duplicate 5* heroes
See also
(What are the best Alchemy Lab levels to hoard food/ iron?)
Notes
Click for notes
Iron sink
Currently I am using excess iron to create harpoons
Per 1* crafting ingredient, used to make harpoons,
Damage to target 107
Attack - 2.85 % / - 3.57 %,
Defense - 0 % / - 4.28 %,
for 0.8571 turns
and
13.5 k iron consumed
Harpoons!!!
Queue of 1
Guaranteed rare
Harpoon Math
([Math] Harpoon production, watchtowers, mines and farms [More Math, Do you find math fun?])
FIN