Your dream presents a vivid narrative with strong symbolic elements that can be interpreted in various ways. Here are some insights based on the key themes and events in your dream:

1. Creativity and Recognition: The initial part of your dream where you are creating art out of a large bubble symbolizes your creative potential and the desire for recognition. It suggests that you have talents or ideas that you would like to express, and there is a sense of accomplishment associated with being invited to the gala. This reflects a longing for validation in your personal or professional life.
2. Transition and Danger: The shift from the gala to witnessing a violent act introduces a contrast between celebration and chaos. This might represent fears or anxieties you have regarding unexpected dangers in your life, possibly linked to personal relationships or societal issues.
3. Heroism and Control: Your actions in the dream—yelling for safety, confronting the shooter, and ultimately preventing further harm—point to a desire for control and the ability to take charge in difficult situations. This can indicate that you feel empowered to address issues in your waking life, or it may reflect a conflict where you feel the need to protect others.
4. Violence and Consequences: The violent act and its aftermath—especially the execution of the shooter—may symbolize feelings about justice and moral dilemmas. It could reflect your thoughts on how society deals with violence or perhaps an internal conflict regarding aggression and resolution.
5. Emotional Response: The urgency and chaos in your dream may mirror feelings of anxiety or stress in your waking life. Consider if there are any situations that feel out of control or if you’re grappling with moral choices.

Advice: Reflect on the areas of your life where you seek recognition and express your creativity. Also, consider how you handle conflict and safety in your life. If you're feeling overwhelmed or anxious, it might be beneficial to find healthy outlets for that energy, whether through art, conversation, or seeking support from others.

Dreams often serve as a mirror to our subconscious, so take time to explore these feelings further.