Take a tough target (why I lose)

Why: a single army isn't enough against a big, full defender — that's normal, not a bug.

What helps directly

Tactic

Send several waves

The defender doesn't heal between attacks: chain your armies until you empty it.

WhereAttack tactic

Related bonuses (good to know)

Tactic

Attack as a group

An ally who hits before you leaves the target already weakened.

WhereAlliance
Stars (relics)

Strengthen your dragons first

If the gap is too big, raise stars/habits first rather than charging in.

WhereSee "Make a dragon stronger"