Troop strength
Each troop camp has its own fire crystal level — a FC10 furnace can still have an FC9 camp. Helios research layers on top of FC10.
Infantry
Indomitable Wall — At the start of battle, reduces damage taken for the first 5 turns. Stacks with up to 8 players in rallies/garrisons.
Lancer
Meridian Phalanx — Reduces damage your Infantry take and increases your Marksmen's damage. Stacks with up to 8 players.
Marksman
Starfire — Increases Marksman damage, triggering every 5 turns. Stacks with up to 8 players.
Heroes
Tick every hero whose joiner skill you have maxed (level 5), and every hero you can lead a rally with at max skill.
Joiner skill maxed (lvl 5)
0 selected
Can rally-lead at max
0 selected