The 'Call' Ability

The 'Call' ability, activated by pressing the Square button on PlayStation controllers, the X button on Xbox and Switch, or the F key on PC, is more than just an aesthetic flourish in Abzu. While it doesn't directly advance the main narrative or unlock new areas, its subtle mechanical uses and profound impact on player immersion make it a core interaction with the game's vibrant underwater world.

Primary Functions and Aesthetic Impact

At its most immediate, the 'Call' serves as a way to interact dynamically with the diverse marine ecosystems you encounter. When activated, the diver emits a resonant sound, often accompanied by a visual ripple effect. This sound:

Attracts Nearby Fish: Schools of fish within a certain radius will respond, often swirling around the diver in intricate, mesmerizing patterns. This creates a powerful sense of connection and belonging within the environment. Different species react in unique ways; smaller fish might form dense, protective clouds, while larger fish might circle with a more deliberate grace.
Enhances Immersion: The 'Call' deepens the player's engagement with Abzu's tranquil atmosphere. It transforms passive observation into active participation, allowing you to feel like a part of the ocean's rhythm rather than just an observer. The visual and auditory feedback is designed to evoke wonder and a sense of harmony.
Creates Photo Opportunities: For players who enjoy capturing the game's stunning visuals, the 'Call' is invaluable. It can orchestrate beautiful formations of marine life, perfect for screenshots or video clips.
Atmospheric Sound Design: Beyond the visual, the 'Call' features a distinct, echoing sound effect that reverberates through the water. This sound is not just a cue for fish; it contributes significantly to the game's serene and mysterious atmosphere, reinforcing the vastness and depth of the ocean. It's a subtle yet powerful element that enhances the feeling of being truly submerged in this alien world.

Uncovering Secrets: Beyond Aesthetics

While primarily aesthetic, the 'Call' ability possesses a subtle, non-obvious mechanical use: it can occasionally draw attention to environmental details or hidden collectibles that might otherwise go unnoticed. This isn't a guaranteed outcome every time you use it, but rather a contextual cue that rewards attentive players.

Specific Examples of Discovery:

Revealing Hidden Shells: In certain areas, particularly those with dense kelp forests or intricate rock formations, using the 'Call' might cause a specific school of fish to gather around a previously obscured area. For instance, calling near a cluster of large, dark rocks in the Kelp Forest Zone could lead a group of iridescent fish to converge on a small crevice, subtly highlighting a hidden collectible shell that blends into the background.
Highlighting Environmental Interactions: Sometimes, the 'Call' can draw attention to interactive elements. Imagine swimming through a cavern with ancient ruins; a well-timed 'Call' might cause a school of bioluminescent fish to swim directly towards a mural or a pressure plate, indicating a point of interest or a puzzle element that requires closer inspection. While it won't solve the puzzle for you, it acts as a gentle nudge.
Revealing Obscured Passages: In areas like the deep trenches or coral reefs, where the environment can be visually complex, a 'Call' can sometimes cause a unique species of fish to swim directly into a camouflaged opening or a narrow gap in the coral. For example, in the Deep Sea Canyons, using the call might cause a school of luminous jellyfish to drift through a seemingly solid rock wall, revealing a hidden passage to a new section or a secret Grotto.
Guiding Towards New Paths: In expanses where the path forward isn't immediately clear, using the 'Call' can sometimes cause a unique species of fish to swim in a particular direction, subtly guiding the diver towards an opening, a current, or a passage that was previously overlooked. This is particularly effective in the more open-world sections of the game where exploration is key.

Other Minor Mechanical Uses

Beyond its aesthetic and occasional discovery functions, the 'Call' has a few other minor, non-obvious mechanical implications:

Resetting Fish Behavior: If fish schools become dispersed or seem to be stuck in an odd pattern, a quick 'Call' can sometimes "reset" their behavior, causing them to re-form and swim more naturally around the diver. This is more of a minor bug-fix or visual refresh than a core mechanic.
Momentary Distraction: While Abzu is not a game about combat or evasion, in very rare instances, the sudden influx of fish around the diver caused by a 'Call' can momentarily obscure the view of a larger, more imposing creature, providing a brief visual distraction. This is highly situational and not a reliable strategy.

Best Practices for Using the 'Call'

Experiment Constantly: Don't reserve the 'Call' for specific moments. Use it frequently in new environments, near different species of fish, and around suspicious-looking environmental features.
Observe Reactions: Pay close attention to how the fish respond. Do they gather in an unusual pattern? Do they lead you somewhere? Their behavior is your primary clue.
Combine with Exploration: The 'Call' is most effective when paired with thorough exploration. It's a tool to enhance discovery, not a magic button that reveals everything instantly. Swim slowly, examine your surroundings, and use the 'Call' to highlight potential points of interest.

In summary, the 'Call' ability in Abzu is a beautifully integrated mechanic that enriches the player's journey. While its primary role is to foster a sense of wonder and connection with the marine world, its subtle capacity to aid in discovery makes it an indispensable part of the Abzu experience for those seeking to uncover every secret the ocean holds.