- "Sends foes staggering back when the user blocks an attack. A perfect block calls down a bolt of lightning, electrifying foes."
After a relatively brief incantation, enchants the magick shield with the lightning element.
- Upgrades to Thunder Riposte.
- With Dark Arisen, it becomes Boltstorm Feint with the relevant Magick Shieldsman's Ring or Band equipped.
- For notes, tactics, and other details on conjuring and using this class of 'parry' or 'counter' spell with perfect blocks see Mystic Knight Shield Counters.
- Although lightning is not commonly a weakness for enemies, Thundercounter's perfect block ability is handy, because like Levin, it hits offenders regardless of cover or elevation difference. It can, for example, hit hard-to-reach ballista users at The Shadow Fort.