Amplify could lead to several hero names, depending on the nuance you want to convey. Here are a few options, categorized for clarity:

Emphasizing Power Enhancement:

• Amplifire: Combines "Amplify" with "fire," suggesting a powerful, potentially destructive enhancement. This works well if the power boost is significant and impactful.
• Power Surge: Straightforward and impactful, highlighting the sudden increase in power the quirk provides.
• Overdrive: Suggests a significant increase in speed and power, implying a temporary but intense boost.
• Resonance: This name hints at the transfer of power, suggesting a harmonious connection between the user and the recipient.
• Kinetic Charge: This name emphasizes the transfer of energy and the resulting increase in kinetic power.
• Quantum Leap: This name suggests a dramatic and significant increase in power, hinting at a transformative effect.

Emphasizing Transfer and Touch:

• Touchstone: This name alludes to the act of touching to transfer power, suggesting a pivotal role in enhancing others.
• Transcend: This name emphasizes the ability to surpass limitations through power transfer.
• Conductive Hero: This name highlights the ability to conduct and transfer power.
• The Catalyst: This name positions the hero as the agent of change, facilitating the enhancement of others' quirks.
• The Conduit: This name emphasizes the hero's role as a channel for power.

Emphasizing Heroic Qualities:

• Amphion: A subtle nod to Amplify, this name sounds heroic and memorable.
• Guardian Surge: This name combines the protective aspect of a hero with the power boost.
• Fortissimo: A musical term meaning "very loud," this name suggests a powerful and impactful hero.
• Apex Boost: This name suggests reaching the peak of power.

More Abstract and Evocative Names:

• Echo Bloom: This name suggests a spreading and amplifying effect.
• Chrysalis: This name suggests transformation and growth, hinting at the potential for significant change through the quirk.
• Ascension: This name suggests a rise to greater power and potential.

The best choice will depend on the overall tone and style of your MHA story. Consider which name best reflects the hero's personality, fighting style, and the visual impact you want to create.