Make it stronger overall
Why: a dragon is strengthened by SEVERAL levers at once. Here are all of them, to combine:
What helps directly
Stars (relics)
Make it stronger at EVERYTHING (permanent)
Raise its stars: each star boosts all its stats, and it's permanent. The best long-term investment. Relics via chests and the market.
WhereDragon relics
Level
Raise all its stats fast
Raise its level: gained in combat (on good targets) or by feeding it meat.
WhereCombat / meat
Habits
Strengthen its 5 passives (permanent)
Raise its habits with Marks + Cores: its 5 passives are always active and it's permanent.
WhereChests / Market / Shop
Upgrades
Strengthen it through research
Raise the "all breeds" and "by breed" research: they strengthen its stats and its damage.
WhereStronghold › Dragon Care
Affinity
Give it a stat bonus on that type
Set it to GREEN affinity for the troop type you give it: its stats climb (avoid red, which penalizes it).
WhereArmy Builder
Related bonuses (good to know)
Heirlooms
Add a permanent bonus kept between seasons
Develop your Heirlooms: permanent stat bonuses, kept from one season to the next.
WhereHeirlooms
Keywords
Other needs · Make a dragon stronger