Grains of Bloodspill

Whenever a weapon attack you control hits, you may pay

. If you do, create a Vigor token.

Temper

Rulings

From the Heavy Hitters release notes

You may choose to pay the resource when the triggered effect resolves on the stack. If you do, neither player receives priority until the entire triggered effect, including the creation of Vigor token, is completed.

Keyword notes

Temper - Temper is a new keyword that exists on equipment in Crucible of War. Usually high in defense, Temper equipment presents a choice when it is down to 1{d}, of whether to defend with it one last time and see it destroyed, or save it to use for its ability.