icebreaker ship upgrade, Spiritfarer game, glowing spirit character, ice-breaking action, animated ocean waves, frosty environment, snowflakes, icebergs, mystical northern lights, serene atmosphere, side-scrolling view, detailed ship textures, wooden structure, metal reinforcements, magical aura, shimmering effect, adventure theme, soft ambient lighting, 2D game art style, pastel color palette, fantasy setting, interactive gameplay element, unlockable content, in-game challenge, resource gathering, crafting system, player progression, engaging puzzle-solving.