To give you an idea of the practices that are commonly used by people calling themselves ‘spiritual’ and part of the New Age belief system.
Affirmations
Aliens & Entities
Angel Numbers / Angel Readings
Ascended Masters & Christ Consciousness
Astral Projection & Out of body Experiences
Astrology & Horoscope
Automatic writing
Cards (Tarot, Oracle, Angels, etc)
Channeling & Channeled books
Course in Miracles
Crystals
Deities, Divinities, Goddesses, Angels
Divination & Pendulums
Eastern Philosophies (incl. Feng Shui, I-Ching)
Empowerment
Energy healing (incl. Reiki, EFT/Tapping)
Enneagram
Essential oils & Sage
Sacred Geometry, Flower of Life & Mandala’s
Hypnosis & guided meditation
Journeying
Labyrinths
Meditating (without God)
Mediumship, Past-life regression & Psychic Readings
Mindfulness
Numerology
Paganism, Wicca
Palm reading
Pantheism, Polytheism & Universalism
Power Animals, Fairies & Spirit Guides
Prosperity Gospel & Cults
Pyramids
Shamanism (including Drumming Circles, Sweat Lodges and Dream Catchers)
Statues, Amulets, Idols & All-seeing Eye
Visualization (incl. Vision boards, Mood boards, Law of Attraction, Manifesting & The Secret (book))
Witchcraft, Sorcery, Magic & Ouija boards (including Harry Potter)
Yoga (including Tantra, Chakra’s, Kundalini, Mudra’s & Sutra’s)
See for explanation on a lot of topics also : https://gotquestions.org