Elekta Unity is the first clinical 1.5T MR-Linac combining a high-field MRI scanner with a linear accelerator. Continuous imaging provides exceptional soft-tissue contrast, enabling real-time adaptive treatment. Comprehensive Motion Management automatically tracks and gates intrafraction motion. Online adaptive workflows allow daily plan re-optimization, supporting dose escalation while sparing healthy tissue. Unity enables hypofractionation and stereotactic treatments with high precision. Serving as a platform for Biology-guided Radiation Therapy, it supports over 40 indications including prostate, liver, pancreas, and oligometastases. Integrated with global MR-Linac Consortium protocols, Unity enhances clinical collaboration and advances adaptive radiotherapy practice.