Blood of the Winter Sage

You've gained a deep connection to the magical world around you, your connection favouring cold magic the most, granting you with the following:

Winter's Touch. As a bonus action, you can touch a simple or martial weapon and infuse it with an extra [roll]1d4[/roll] cold damage for the next minute. This can only be done once per long rest.

Frozen Resistance. You gain a resistance to cold damage.