With Deep Focus, it takes ~1.470 seconds instead of ~0.891 seconds for a single Focus without including the startup time (0.25 seconds). Startup time speed is not affected by Deep Focus.
Its restrictive cost and slow Focus time make it hard to use in boss battles. It is better used in areas where there is lots of time to rest, such as while tackling difficult platforming challenges, where it shines in combination with Grubsong and Hiveblood.
How to Acquire
Found in Crystal Peak in a hidden cave made entirely of crystals.
Charm Interactions and Combo Tips
Useful to provide a window to Focus.
Despite costing a prohibitive 7 Notches combined, Quick Focus partially cancels the Focus-speed penalty of Deep Focus, allowing the Knight to heal two Masks at almost the regular speed. Especially useful against swarms of enemies or enemies who deal two Masks of damage per hit.
Combined with Hiveblood, it greatly helps tackling difficult platforming challenges, especially the White Palace.
Combined with Grubsong, it greatly helps tackling difficult platforming challenges, especially the White Palace.
Increases the spore cloud radius by 35%.