Medieval World War: Another birthday celebration with FastSandals & Timotab over Sudoku

Today's Video:

Happy birthday FastSandals! Wishing you a fantastic day, many birthday presents and wishes fulfilled by Timotab and others

Link to Play:

Medieval World War by FastSandals and Timotab https://sudokupad.app/n8sgls1q8a

https://logic-masters.de/Raetselportal/Raetsel/zeigen.php?id=000NJR

Rules:

Normal Sudoku rules apply. Place the digits 1-9 once each in every row, column, and box.

Fortress: Cells shaded gray must be larger then their orthogonal non-fortress neighbors.

Arrows: Digits on an arrow must sum to the digit in the attached circle.