How do simultaneous might increases and decreases interact, particularly with 'to a minimum of 1' effects?

Ruling: When calculating might modifications that have already been applied, increases are calculated first, then decreases. This ensures that "to a minimum of 1" effects are checked after increases have been applied.

Sequence:

• Apply all increases to the base might
• Apply all decreases (including minimum checks) to the result

Nuances:

• This rule applies to the mathematical calculation of already-applied effects, not to chain resolution order
• Triggered abilities that modify might still resolve via the chain as normal
• Passive abilities that modify might (like Shield) do not use the chain and apply immediately
• The biggest practical impact is with effects like Leona's that reduce might to a minimum of 1 - these are always calculated after static might increases, so a 6 might unit at a location with +1 might under Leona's effect ends up at 1 might (6+1-6=1, not 1+1=2)