Hydaelyn

As a bonus action, you infuse your weapon with wind aether, enhancing its effectiveness for one hour. Your attack and damage rolls gain a +1 bonus to attack rolls and deal an additional 1d4 thunder damage. If you use When you cast this spell using a spell slot of 4thlevel or higher, the damage increases by 1d6 for each slot level above 2nd., the attack roll bonus increases to +2 and the damage roll bonus increases to 2d4 thunder damage.