1. Kakashi's Main Techniques: Shadow Clone Jutsu is Kakashi's go-to technique to conserve chakra and engage in multiple battles. However, it leaves him vulnerable to enemy Shadow Clones.

2. Tsukuyomi: Itachi's powerful genjutsu technique that traps victims in a realm where he can control everything. Kakashi fell victim to this technique and experienced intense torture.

3. Water Prison Technique: Although not high-level, it proved formidable when Kakashi was defeated by Zabuza.

4. Mist Concealment Technique: This low-level technique hinders the Sharingan's ability to copy hand seals. Kakashi, reliant on the Sharingan, struggles when encountering this technique.

5. Almighty Push: A long-range technique used by Pain that can repel anything. Kakashi faced difficulties against this technique and eventually died due to chakra depletion.