Please read the following table in Markdown format and then answer the question according to the table. Table cells in one row are seperated by '|', and different rows are seperated by '
'.

Table:
| Monarch | Heir | Status | Relationship to Monarch | Became heir; reason | Ceased to be heir; reason | Next in succession |
| --- | --- | --- | --- | --- | --- | --- |
| Wareru | Hkun Law | Heir presumptive | brother | December 1287 brother founded dynasty | January 1307 succeeded | Yan Maw La Mon 1307, brother |
| Hkun Law | Yan Maw La Mon | Heir presumptive | brother | January 1307 brother succeeded | 1307 killed in action | Saw Zein 13??–1323, nephew |
| Saw O | Saw Zein | Heir apparent | brother | 13?? brother succeeded | September 1323 succeeded | Binnya U 13??–1348, son |
| Binnya E Law | Binnya U | Heir apparent | nephew | 13?? uncle succeeded | 1348 succeeded | Bawnganmon 1370s?–1383, son |
| Binnya U | Bawnganmon | Heir apparent | son | 1370s? father succeeded | 23 January 1384 brother succeeded | Bawlawkyantaw 1383–1390, nephew |
| Razadarit | Bawlawkyantaw | Heir presumptive | son | 23 January 1384 father succeeded | December 1390 executed | Binnya Dhammaraza 14??–1422, brother |
| Razadarit | Binnya Dhammaraza | Heir apparent | son | 14?? brother died | 1421 succeeded | Binnya Ran I 1421–1424, brother |
| Binnya Dhammaraza | Binnya Ran I | Heir apparent | brother | 1421 brother succeeded | 1424 succeeded | Binnya Waru 14??–1446, nephew |
| Binnya Ran I | Binnya Waru | Heir apparent | nephew adopted son | 14?? uncle succeeded | 1446 succeeded | Dhammazedi 1460–1471, brother-in-law |
| Shin Sawbu | Dhammazedi | Heir apparent | son-in-law | 1460 mother-in-law succeeded | 1471 succeeded | Binnya Ran II 1471–1492, son |
| Dhammazedi | Binnya Ran II | Heir apparent | son | 1483 father succeeded | 1492 succeeded | Takayutpi 15??–1526, son |
Question:
Who was the heir when the monarch was Wareru?
Answer:
Hkun Law