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**[Hub](Hub.md) / [Kalkatesh](Kalkatesh.md) / [[Legacy Character Creation]] / [[Kalkatesh]] **
# War Caster (Kalkatesh)
You have practiced casting spells in the midst of combat, learning techniques that grant you the following benefits:
- You have advantage on Constitution saving throws that you make to maintain your concentration on a spell when you take damage.
- You can perform the somatic components of spells even when you have weapons or a shield in one or both hands.
- When a hostile creature's movement provokes an opportunity attack from you, you can use your reaction to cast a spell at the creature, rather than making an opportunity attack. The spell must have a casting time of 1 action and must target only that creature.