[Complete Timeline]

1.HERO GENERATIONS

GEN 1 - 0 days

GEN 2 - 40 DAYS

GEN 3 - 120 DAYS; 80 DAYS after GEN 2

GEN 4 - 195 DAYS; 45 - 60 days after FC5

GEN 5 - 270 DAYS; 80 DAYS after GEN 4; 40-60 DAYS after War Academy

GEN 6 - 360 DAYS; 80 DAYS after GEN 5; 30 DAYS after FC8

GEN 7 - 440 DAYS; 80 DAYS after GEN 6

GEN 8 - 520 DAYS; 80 DAYS after GEN 7

GEN 9 - 600 DAYS; 80 DAYS after GEN 8

GEN 10 - around 700 DAYS; around 100 days after GEN 9

2.PETS

GEN 1 - 54 DAYS (Cave Hyena, Artic Wolf & Musk Ox)

GEN 2 - 90 DAYS (Titan Roc & Giant Tapir)

GEN 3 - 140 DAYS (Snow Leopard & Giant Elk)

GEN 4 - 200 DAYS(Cave Lion & Snow Ape)

GEN 5 - 280 DAYS (Iron Rhino & Saber-tooth)

GEN 6 - 370 DAYS (Mammoth)

3.FIRE CRYSTAL AGE

Unlock - 60 DAYS Check "Road to Recovery" Monument mission

Fire Crystal 5 + Laboratory - 150 DAYS, 30 DAYS after GEN 3

War Academy - 220 days 30 DAYS after GEN 4

Fire Crystal Lab 5 -> 6x refines / day - 220 DAYS With War Academy

Fire Crystal 8 - 315 days ~50 DAYS after GEN 5

Daily Missions 10x -> 20x FC - 315 DAYS with FC8

Fire Crystal Lab 6 -> 7x refines / day - 315 DAYS with FC8

Fire Crystal 10 - 500 DAYS

4.EVENTS

Sunfire Castle - DAY 53

SVS & KOI - 80 DAYS

Both events have it's own schedule, if you aren't around day 80 at the time of the event, you will still have HoC

Vision of Dawn update (use keys mission) - 120 DAYS With GEN 3

Fortress Event rewards (fire crystals & pets) - 120 DAYS With GEN 3

Fortress Event rewards (Molly & Zinman shards -> Philly & Flint shards) - 195 DAYS With GEN 4

Gina's Revenge -> Hero's Mission - 195 days With GEN 4

5.OTHERS

Legendary Hero Gear - 40 DAYS with GEN 2

VIP Prestige Shop - 120 DAYS with GEN 3

Legendary Chief Gear - 180 DAYS...7-14 DAYS before GEN 4

Hero Hall (Keys Recruitment) update - 195 DAYS...Current Hero Generation -2 shards

Intel Missions update - 195 DAYS...Fragments from 2 GENs ago, e.g. during GEN 4 you receive GEN 2 shards