Aether Ironweave

Action - Destroy this: Gain

. Activate this only if you've played an attack action card and a non-attack action card this turn. Go again

Battleworn

Rulings

From the Monarch release notes

Equipments go to your graveyard when they are destroyed.
The action cards do not need to be played from your hand. They can be played from your banished zone or other zones (Provided it is legal to play them from there).
Even if you have played more than one of each attack action and non-attack action, it will still only gain .

Keyword notes

Battleworn - Equipment that wear down after each time they are used to defend. If you defend with a card with Battleworn, put a -1{d} counter on it when the combat chain closes.

When you defend with a card it remains on the combat chain until the chain closes, therefore you cannot defend with an equipment multiple times on the same combat chain.
A -1 counter stays on the card until the card is destroyed or the game ends.
If the defense of a card that is defending is below zero, its defense value is considered to be zero.
When this card is destroyed, it is sent to your graveyard. (Not when it has 0)
When this card is destroyed, it is sent to your graveyard.
If the defense of a card that is defending is below zero, calculate as if its defense is zero.