When does Irelia, Fervent's +1 Might trigger resolve in the chain, particularly: (1) when targeted by Switcheroo, does the +1 Might happen before or after the Might swap? (2) does she still get +1 Might if the targeting spell is countered? (3) does she trigger when readied during the awaken phase if she was exhausted?

Ruling: Irelia, Fervent's triggered ability goes on top of the chain whenever she is targeted by a spell or ability, resolving before that spell or ability. The triggered ability triggers when the condition is met and remains on the chain even if the original spell is countered.

Sequence:

• When you finalize a spell or ability that targets Irelia, her triggered ability condition is fulfilled
• The triggered ability goes on top of the chain above the spell/ability that targeted her
• The triggered ability resolves first (Irelia gains +1 Might)
• Then the original spell/ability resolves
• For Switcheroo specifically: Irelia gets +1 Might, then the Might values are swapped (so the opponent ends up with the +1)

Nuances:

• If a spell targeting Irelia is countered, the triggered ability still remains on the chain and resolves (she still gets +1 Might)
• During the awaken phase, if Irelia was exhausted before readying, her triggered ability condition is fulfilled and she gains +1 Might
• The triggered ability's condition only matters when evaluating whether it triggers, not once it's already on the chain